102812812 has 24 divisors (see below), whose sum is σ = 183142400. Its totient is φ = 50493456.

The previous prime is 102812807. The next prime is 102812813. The reversal of 102812812 is 218218201.

It is a super-2 number, since 2×102812812² = 21140948622694688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102812813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69739 + ... + 71197.

Almost surely, 2^102812812 is an apocalyptic number.

It is an amenable number.

102812812 is a deficient number, since it is larger than the sum of its proper divisors (80329588).

102812812 is a wasteful number, since it uses less digits than its factorization.

102812812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765 (or 1763 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 102812812 is about 10139.6652804715. The cubic root of 102812812 is about 468.4706772738.

The spelling of 102812812 in words is "one hundred two million, eight hundred twelve thousand, eight hundred twelve".