102012102000978 has 32 divisors (see below), whose sum is σ = 219718819942272. Its totient is φ = 31388275305600.

The previous prime is 102012102000943. The next prime is 102012102000979. The reversal of 102012102000978 is 879000201210201.

It is not an unprimeable number, because it can be changed into a prime (102012102000979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49881763 + ... + 51886553.

It is an arithmetic number, because the mean of its divisors is an integer number (6866213123196).

Almost surely, 2^{102012102000978} is an apocalyptic number.

102012102000978 is an abundant number, since it is smaller than the sum of its proper divisors (117706717941294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102012102000978 is a wasteful number, since it uses less digits than its factorization.

102012102000978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657170.

The product of its (nonzero) digits is 4032, while the sum is 33.

The spelling of 102012102000978 in words is "one hundred two trillion, twelve billion, one hundred two million, nine hundred seventy-eight", and thus it is an aban number.