102112111202012 has 24 divisors (see below), whose sum is σ = 184894245580800. Its totient is φ = 49285871764416.

The previous prime is 102112111202011. The next prime is 102112111202027. The reversal of 102112111202012 is 210202111211201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102112111202011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85387523 + ... + 86575130.

It is an arithmetic number, because the mean of its divisors is an integer number (7703926899200).

Almost surely, 2^{102112111202012} is an apocalyptic number.

It is an amenable number.

102112111202012 is a deficient number, since it is larger than the sum of its proper divisors (82782134378788).

102112111202012 is a wasteful number, since it uses less digits than its factorization.

102112111202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171967805 (or 171967803 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102112111202012 its reverse (210202111211201), we get a palindrome (312314222413213).

The spelling of 102112111202012 in words is "one hundred two trillion, one hundred twelve billion, one hundred eleven million, two hundred two thousand, twelve".