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10212231012 = 22323531634283
BaseRepresentation
bin10011000001011001…
…00100011101100100
3222100201010002100020
421200230210131210
5131403312343022
64405203315140
7511032350154
oct114054443544
928321102306
1010212231012
1143705a1345
121b9007bab0
13c69967959
146cc40a764
153eb83135c
hex260b24764

10212231012 has 96 divisors (see below), whose sum is σ = 25495077888. Its totient is φ = 3174297984.

The previous prime is 10212231011. The next prime is 10212231023. The reversal of 10212231012 is 21013221201.

It is a junction number, because it is equal to n+sod(n) for n = 10212230982 and 10212231000.

It is not an unprimeable number, because it can be changed into a prime (10212231011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2382223 + ... + 2386505.

It is an arithmetic number, because the mean of its divisors is an integer number (265573728).

Almost surely, 210212231012 is an apocalyptic number.

10212231012 is a gapful number since it is divisible by the number (12) 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 10212231012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12747538944).

10212231012 is an abundant number, since it is smaller than the sum of its proper divisors (15282846876).

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

10212231012 is a wasteful number, since it uses less digits than its factorization.

10212231012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4529 (or 4527 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10212231012 its reverse (21013221201), we get a palindrome (31225452213).

The spelling of 10212231012 in words is "ten billion, two hundred twelve million, two hundred thirty-one thousand, twelve".

Divisors: 1 2 3 4 6 12 23 46 53 69 92 106 138 159 163 212 276 318 326 489 636 652 978 1219 1956 2438 3657 3749 4283 4876 7314 7498 8566 8639 11247 12849 14628 14996 17132 17278 22494 25698 25917 34556 44988 51396 51834 98509 103668 197018 198697 226999 295527 394036 397394 453998 591054 596091 680997 698129 794788 907996 1182108 1192182 1361994 1396258 2094387 2384364 2723988 2792516 4188774 5220977 8377548 10441954 15662931 16056967 20883908 31325862 32113934 37000837 48170901 62651724 64227868 74001674 96341802 111002511 148003348 192683604 222005022 444010044 851019251 1702038502 2553057753 3404077004 5106115506 10212231012