101212111000120 has 32 divisors (see below), whose sum is σ = 227728568542320. Its totient is φ = 40484609948160.

The previous prime is 101212111000087. The next prime is 101212111000193. The reversal of 101212111000120 is 21000111212101.

It is a happy number.

It is a super-2 number, since 2×101212111000120² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101212111000120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248721 + ... + 14229760.

Almost surely, 2^{101212111000120} is an apocalyptic number.

101212111000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101212111000120 is an abundant number, since it is smaller than the sum of its proper divisors (126516457542200).

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

101212111000120 is a wasteful number, since it uses less digits than its factorization.

101212111000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14653255 (or 14653251 counting only the distinct ones).

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

Adding to 101212111000120 its reverse (21000111212101), we get a palindrome (122212222212221).

The spelling of 101212111000120 in words is "one hundred one trillion, two hundred twelve billion, one hundred eleven million, one hundred twenty", and thus it is an aban number.