102951012 has 12 divisors (see below), whose sum is σ = 240219056. Its totient is φ = 34317000.

The previous prime is 102950993. The next prime is 102951029. The reversal of 102951012 is 210159201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 102951012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4289614 + ... + 4289637.

Almost surely, 2^102951012 is an apocalyptic number.

102951012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102951012 is an abundant number, since it is smaller than the sum of its proper divisors (137268044).

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

102951012 is a wasteful number, since it uses less digits than its factorization.

102951012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8579258 (or 8579256 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 102951012 is about 10146.4778125219. The cubic root of 102951012 is about 468.6804878968.

The spelling of 102951012 in words is "one hundred two million, nine hundred fifty-one thousand, twelve".