102111230012 has 24 divisors (see below), whose sum is σ = 194993205120. Its totient is φ = 46401437360.

The previous prime is 102111229973. The next prime is 102111230059. The reversal of 102111230012 is 210032111201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156128 + ... + 478119.

It is an arithmetic number, because the mean of its divisors is an integer number (8124716880).

Almost surely, 2^102111230012 is an apocalyptic number.

It is an amenable number.

102111230012 is a deficient number, since it is larger than the sum of its proper divisors (92881975108).

102111230012 is a wasteful number, since it uses less digits than its factorization.

102111230012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637921 (or 637919 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 102111230012 its reverse (210032111201), we get a palindrome (312143341213).

The spelling of 102111230012 in words is "one hundred two billion, one hundred eleven million, two hundred thirty thousand, twelve".