83800012 has 12 divisors (see below), whose sum is σ = 146771856. Its totient is φ = 41865200.

The previous prime is 83800007. The next prime is 83800033. The reversal of 83800012 is 21000838.

It is a super-2 number, since 2×83800012² = 14044884022400288, which contains 22 as substring.

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, 2848 + ... + 13255.

It is an arithmetic number, because the mean of its divisors is an integer number (12230988).

Almost surely, 2^83800012 is an apocalyptic number.

It is an amenable number.

83800012 is a deficient number, since it is larger than the sum of its proper divisors (62971844).

83800012 is a wasteful number, since it uses less digits than its factorization.

83800012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17408 (or 17406 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 83800012 is about 9154.2346485110. The cubic root of 83800012 is about 437.6040777694.

The spelling of 83800012 in words is "eighty-three million, eight hundred thousand, twelve".