102112220120012 has 6 divisors (see below), whose sum is σ = 178696385210028. Its totient is φ = 51056110060004.

The previous prime is 102112220119907. The next prime is 102112220120021. The reversal of 102112220120012 is 210021022211201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12764027514998 + ... + 12764027515005.

It is an arithmetic number, because the mean of its divisors is an integer number (29782730868338).

Almost surely, 2^{102112220120012} is an apocalyptic number.

It is an amenable number.

102112220120012 is a deficient number, since it is larger than the sum of its proper divisors (76584165090016).

102112220120012 is a wasteful number, since it uses less digits than its factorization.

102112220120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25528055030007 (or 25528055030005 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102112220120012 its reverse (210021022211201), we get a palindrome (312133242331213).

The spelling of 102112220120012 in words is "one hundred two trillion, one hundred twelve billion, two hundred twenty million, one hundred twenty thousand, twelve".