12042387264 has 56 divisors (see below), whose sum is σ = 33539115040. Its totient is φ = 3802857984.

The previous prime is 12042387251. The next prime is 12042387307. The reversal of 12042387264 is 46278324021.

It is a happy number.

It is a super-2 number, since 2×12042387264² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 1646899 + ... + 1654194.

Almost surely, 2^12042387264 is an apocalyptic number.

It is an amenable number.

12042387264 is an abundant number, since it is smaller than the sum of its proper divisors (21496727776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12042387264 is a wasteful number, since it uses less digits than its factorization.

12042387264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3301127 (or 3301117 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The spelling of 12042387264 in words is "twelve billion, forty-two million, three hundred eighty-seven thousand, two hundred sixty-four".