102121111210012 has 96 divisors (see below), whose sum is σ = 185005002276864. Its totient is φ = 49307087232000.

The previous prime is 102121111209857. The next prime is 102121111210033. The reversal of 102121111210012 is 210012111121201.

It is a congruent number.

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, 854145637 + ... + 854265187.

It is an arithmetic number, because the mean of its divisors is an integer number (1927135440384).

Almost surely, 2^{102121111210012} is an apocalyptic number.

It is an amenable number.

102121111210012 is a deficient number, since it is larger than the sum of its proper divisors (82883891066852).

102121111210012 is a wasteful number, since it uses less digits than its factorization.

102121111210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120059 (or 120057 counting only the distinct ones).

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

Adding to 102121111210012 its reverse (210012111121201), we get a palindrome (312133222331213).

The spelling of 102121111210012 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred eleven million, two hundred ten thousand, twelve".