102112121233012 has 72 divisors (see below), whose sum is σ = 196591120875072. Its totient is φ = 46373744651520.

The previous prime is 102112121233007. The next prime is 102112121233049. The reversal of 102112121233012 is 210332121211201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2875812963 + ... + 2875848469.

It is an arithmetic number, because the mean of its divisors is an integer number (2730432234376).

Almost surely, 2^{102112121233012} is an apocalyptic number.

It is an amenable number.

102112121233012 is a deficient number, since it is larger than the sum of its proper divisors (94478999642060).

102112121233012 is a wasteful number, since it uses less digits than its factorization.

102112121233012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40597 (or 40584 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 102112121233012 its reverse (210332121211201), we get a palindrome (312444242444213).

The spelling of 102112121233012 in words is "one hundred two trillion, one hundred twelve billion, one hundred twenty-one million, two hundred thirty-three thousand, twelve".