102121010210012 has 24 divisors (see below), whose sum is σ = 179214006625920. Its totient is φ = 50917015357040.

The previous prime is 102121010209961. The next prime is 102121010210047. The reversal of 102121010210012 is 210012010121201.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 58572587 + ... + 60290877.

It is an arithmetic number, because the mean of its divisors is an integer number (7467250276080).

Almost surely, 2^{102121010210012} is an apocalyptic number.

It is an amenable number.

102121010210012 is a deficient number, since it is larger than the sum of its proper divisors (77092996415908).

102121010210012 is a wasteful number, since it uses less digits than its factorization.

102121010210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760041 (or 1760039 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102121010210012 its reverse (210012010121201), we get a palindrome (312133020331213).

The spelling of 102121010210012 in words is "one hundred two trillion, one hundred twenty-one billion, ten million, two hundred ten thousand, twelve".