12079745864 has 8 divisors (see below), whose sum is σ = 22649523510. Its totient is φ = 6039872928.

The previous prime is 12079745837. The next prime is 12079745893. The reversal of 12079745864 is 46854797021.

It can be written as a sum of positive squares in only one way, i.e., 8130628900 + 3949116964 = 90170^2 + 62842^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 754984109 + ... + 754984124.

Almost surely, 2^12079745864 is an apocalyptic number.

It is an amenable number.

12079745864 is a deficient number, since it is larger than the sum of its proper divisors (10569777646).

12079745864 is a wasteful number, since it uses less digits than its factorization.

12079745864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509968239 (or 1509968235 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 53.

It can be divided in two parts, 120797 and 45864, that added together give a palindrome (166661).

The spelling of 12079745864 in words is "twelve billion, seventy-nine million, seven hundred forty-five thousand, eight hundred sixty-four".