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101201212110200 = 23521973497359767
BaseRepresentation
bin10111000000101010111110…
…010011000111010101111000
3111021022202000110211012212112
4113000222332103013111320
5101231040040300011300
6555123110043031452
730213355243462256
oct2700527623072570
9437282013735775
10101201212110200
112a278213a20634
12b42558120b588
1344613058a5307
141adc2442dd5d6
15ba7720ad8e35
hex5c0abe4c7578

101201212110200 has 96 divisors (see below), whose sum is σ = 237164843916000. Its totient is φ = 40159593546240.

The previous prime is 101201212110181. The next prime is 101201212110209. The reversal of 101201212110200 is 2011212102101.

It is a super-2 number, since 2×1012012121102002 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101201212110209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10070717 + ... + 17430483.

It is an arithmetic number, because the mean of its divisors is an integer number (2470467124125).

Almost surely, 2101201212110200 is an apocalyptic number.

101201212110200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101201212110200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118582421958000).

101201212110200 is an abundant number, since it is smaller than the sum of its proper divisors (135963631805800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101201212110200 is a wasteful number, since it uses less digits than its factorization.

101201212110200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7360329 (or 7360320 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101201212110200 its reverse (2011212102101), we get a palindrome (103212424212301).

The spelling of 101201212110200 in words is "one hundred one trillion, two hundred one billion, two hundred twelve million, one hundred ten thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 197 200 349 394 698 788 985 1396 1576 1745 1970 2792 3490 3940 4925 6980 7880 8725 9850 13960 17450 19700 34900 39400 68753 69800 137506 275012 343765 550024 687530 1375060 1718825 2750120 3437650 6875300 7359767 13750600 14719534 29439068 36798835 58878136 73597670 147195340 183994175 294390680 367988350 735976700 1449874099 1471953400 2568558683 2899748198 5137117366 5799496396 7249370495 10274234732 11598992792 12842793415 14498740990 20548469464 25685586830 28997481980 36246852475 51371173660 57994963960 64213967075 72493704950 102742347320 128427934150 144987409900 256855868300 289974819800 506006060551 513711736600 1012012121102 2024024242204 2530030302755 4048048484408 5060060605510 10120121211020 12650151513775 20240242422040 25300303027550 50600606055100 101201212110200