64120412 has 12 divisors (see below), whose sum is σ = 117089616. Its totient is φ = 30666240.

The previous prime is 64120409. The next prime is 64120453. The reversal of 64120412 is 21402146.

64120412 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64120412² = 8222854470099488, which contains 22 as substring.

64120412 is strictly pandigital in base 9.

It is a congruent number.

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, 348389 + ... + 348572.

It is an arithmetic number, because the mean of its divisors is an integer number (9757468).

Almost surely, 2^64120412 is an apocalyptic number.

It is an amenable number.

64120412 is a deficient number, since it is larger than the sum of its proper divisors (52969204).

64120412 is a wasteful number, since it uses less digits than its factorization.

64120412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696988 (or 696986 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 64120412 is about 8007.5222135190. The cubic root of 64120412 is about 400.2507011728.

Adding to 64120412 its reverse (21402146), we get a palindrome (85522558).

The spelling of 64120412 in words is "sixty-four million, one hundred twenty thousand, four hundred twelve".