102112212120112 has 10 divisors (see below), whose sum is σ = 197842410982748. Its totient is φ = 51056106060048.

The previous prime is 102112212120109. The next prime is 102112212120137. The reversal of 102112212120112 is 211021212211201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 102112212120112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3191006628738 + ... + 3191006628769.

Almost surely, 2^{102112212120112} is an apocalyptic number.

It is an amenable number.

102112212120112 is a deficient number, since it is larger than the sum of its proper divisors (95730198862636).

102112212120112 is an equidigital number, since it uses as much as digits as its factorization.

102112212120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6382013257515 (or 6382013257509 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 102112212120112 its reverse (211021212211201), we get a palindrome (313133424331313).

The spelling of 102112212120112 in words is "one hundred two trillion, one hundred twelve billion, two hundred twelve million, one hundred twenty thousand, one hundred twelve".