64231012 has 24 divisors (see below), whose sum is σ = 113992704. Its totient is φ = 31665312.

The previous prime is 64230997. The next prime is 64231061. The reversal of 64231012 is 21013246.

64231012 is nontrivially palindromic in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115038 + ... + 115594.

It is an arithmetic number, because the mean of its divisors is an integer number (4749696).

Almost surely, 2^64231012 is an apocalyptic number.

It is an amenable number.

64231012 is a deficient number, since it is larger than the sum of its proper divisors (49761692).

64231012 is a wasteful number, since it uses less digits than its factorization.

64231012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915 (or 913 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 64231012 is about 8014.4252445200. The cubic root of 64231012 is about 400.4806970944.

Adding to 64231012 its reverse (21013246), we get a palindrome (85244258).

The spelling of 64231012 in words is "sixty-four million, two hundred thirty-one thousand, twelve".