102130012 has 12 divisors (see below), whose sum is σ = 179365536. Its totient is φ = 50882720.

The previous prime is 102129991. The next prime is 102130037. The reversal of 102130012 is 210031201.

It is a super-2 number, since 2×102130012² = 20861078702240288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44308 + ... + 46555.

It is an arithmetic number, because the mean of its divisors is an integer number (14947128).

Almost surely, 2^102130012 is an apocalyptic number.

It is an amenable number.

102130012 is a deficient number, since it is larger than the sum of its proper divisors (77235524).

102130012 is a wasteful number, since it uses less digits than its factorization.

102130012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91148 (or 91146 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 102130012 is about 10105.9394417343. The cubic root of 102130012 is about 467.4313044991.

Adding to 102130012 its reverse (210031201), we get a palindrome (312161213).

The spelling of 102130012 in words is "one hundred two million, one hundred thirty thousand, twelve".