64000012 has 12 divisors (see below), whose sum is σ = 112162960. Its totient is φ = 31953456.

The previous prime is 63999979. The next prime is 64000031. The reversal of 64000012 is 21000046.

It is a junction number, because it is equal to n+sod(n) for n = 63999956 and 64000001.

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, 8448 + ... + 14119.

Almost surely, 2^64000012 is an apocalyptic number.

It is an amenable number.

64000012 is a deficient number, since it is larger than the sum of its proper divisors (48162948).

64000012 is a wasteful number, since it uses less digits than its factorization.

64000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23280 (or 23278 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 64000012 is about 8000.0007500000. Note that the first 3 decimals coincide. The cubic root of 64000012 is about 400.0000250000. Note that the first 4 decimals are identical.

Adding to 64000012 its reverse (21000046), we get a palindrome (85000058).

The spelling of 64000012 in words is "sixty-four million, twelve", and thus it is an aban number.