80000012 has 6 divisors (see below), whose sum is σ = 140000028. Its totient is φ = 40000004.

The previous prime is 79999987. The next prime is 80000023. The reversal of 80000012 is 21000008.

80000012 is a modest number, since divided by 12 gives 8 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 79999948 and 80000002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9999998 + ... + 10000005.

It is an arithmetic number, because the mean of its divisors is an integer number (23333338).

Almost surely, 2^80000012 is an apocalyptic number.

It is an amenable number.

80000012 is a deficient number, since it is larger than the sum of its proper divisors (60000016).

80000012 is a wasteful number, since it uses less digits than its factorization.

80000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20000007 (or 20000005 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 80000012 is about 8944.2725808195. The cubic root of 80000012 is about 430.8869595507.

The spelling of 80000012 in words is "eighty million, twelve", and thus it is an aban number and an uban number.