102012100020012 has 96 divisors (see below), whose sum is σ = 293183703188992. Its totient is φ = 26883546264576.

The previous prime is 102012100020007. The next prime is 102012100020151. The reversal of 102012100020012 is 210020001210201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 102012100020012.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34596658 + ... + 37429305.

Almost surely, 2^{102012100020012} is an apocalyptic number.

102012100020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102012100020012 is an abundant number, since it is smaller than the sum of its proper divisors (191171603168980).

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

102012100020012 is a wasteful number, since it uses less digits than its factorization.

102012100020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72027287 (or 72027285 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102012100020012 its reverse (210020001210201), we get a palindrome (312032101230213).

The spelling of 102012100020012 in words is "one hundred two trillion, twelve billion, one hundred million, twenty thousand, twelve".