64900012 has 6 divisors (see below), whose sum is σ = 113575028. Its totient is φ = 32450004.

The previous prime is 64900009. The next prime is 64900021. The reversal of 64900012 is 21000946.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8112498 + ... + 8112505.

Almost surely, 2^64900012 is an apocalyptic number.

It is an amenable number.

64900012 is a deficient number, since it is larger than the sum of its proper divisors (48675016).

64900012 is a wasteful number, since it uses less digits than its factorization.

64900012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16225007 (or 16225005 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 64900012 is about 8056.0543692306. The cubic root of 64900012 is about 401.8663037332.

Adding to 64900012 its reverse (21000946), we get a palindrome (85900958).

The spelling of 64900012 in words is "sixty-four million, nine hundred thousand, twelve".