12258015768 has 40 divisors (see below), whose sum is σ = 34333795980. Its totient is φ = 4086005040.

The previous prime is 12258015727. The next prime is 12258015773. The reversal of 12258015768 is 86751085221.

12258015768 is a `hidden beast` number, since 1 + 2 + 2 + 580 + 1 + 5 + 7 + 68 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9457698 + ... + 9458993.

Almost surely, 2^12258015768 is an apocalyptic number.

12258015768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12258015768 is an abundant number, since it is smaller than the sum of its proper divisors (22075780212).

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

12258015768 is a wasteful number, since it uses less digits than its factorization.

12258015768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18916709 (or 18916696 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 45.

The spelling of 12258015768 in words is "twelve billion, two hundred fifty-eight million, fifteen thousand, seven hundred sixty-eight".