102102920012 has 6 divisors (see below), whose sum is σ = 178680110028. Its totient is φ = 51051460004.

The previous prime is 102102919987. The next prime is 102102920027. The reversal of 102102920012 is 210029201201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12762864998 + ... + 12762865005.

It is an arithmetic number, because the mean of its divisors is an integer number (29780018338).

Almost surely, 2^102102920012 is an apocalyptic number.

It is an amenable number.

102102920012 is a deficient number, since it is larger than the sum of its proper divisors (76577190016).

102102920012 is a wasteful number, since it uses less digits than its factorization.

102102920012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25525730007 (or 25525730005 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 102102920012 in words is "one hundred two billion, one hundred two million, nine hundred twenty thousand, twelve".