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101201212101010 = 2571785043035379
BaseRepresentation
bin10111000000101010111110…
…010011000101000110010010
3111021022202000110210202021011
4113000222332103011012102
5101231040040244213020
6555123110042521134
730213355243423420
oct2700527623050622
9437282013722234
10101201212101010
112a278213a1473a
12b4255812061aa
1344613058a1088
141adc2442da110
15ba7720ad635a
hex5c0abe4c5192

101201212101010 has 32 divisors (see below), whose sum is σ = 220431547704960. Its totient is φ = 32656525585152.

The previous prime is 101201212100969. The next prime is 101201212101037. The reversal of 101201212101010 is 10101212102101.

It is a happy number.

It is a super-2 number, since 2×1012012121010102 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42521516500 + ... + 42521518879.

It is an arithmetic number, because the mean of its divisors is an integer number (6888485865780).

Almost surely, 2101201212101010 is an apocalyptic number.

101201212101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101201212101010 is an abundant number, since it is smaller than the sum of its proper divisors (119230335603950).

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

101201212101010 is a wasteful number, since it uses less digits than its factorization.

101201212101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85043035410.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101201212101010 its reverse (10101212102101), we get a palindrome (111302424203111).

The spelling of 101201212101010 in words is "one hundred one trillion, two hundred one billion, two hundred twelve million, one hundred one thousand, ten".

Divisors: 1 2 5 7 10 14 17 34 35 70 85 119 170 238 595 1190 85043035379 170086070758 425215176895 595301247653 850430353790 1190602495306 1445731601443 2891463202886 2976506238265 5953012476530 7228658007215 10120121210101 14457316014430 20240242420202 50600606050505 101201212101010