12252679042 has 16 divisors (see below), whose sum is σ = 19463182200. Its totient is φ = 5765064448.

The previous prime is 12252679013. The next prime is 12252679073. The reversal of 12252679042 is 24097625221.

It can be written as a sum of positive squares in 4 ways, for example, as 11854636641 + 398042401 = 108879^2 + 19951^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12252678986 and 12252679004.

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, 225348 + ... + 274384.

Almost surely, 2^12252679042 is an apocalyptic number.

12252679042 is a deficient number, since it is larger than the sum of its proper divisors (7210503158).

12252679042 is a wasteful number, since it uses less digits than its factorization.

12252679042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56405.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 12252679042 in words is "twelve billion, two hundred fifty-two million, six hundred seventy-nine thousand, forty-two".