12150511816 has 16 divisors (see below), whose sum is σ = 23266938240. Its totient is φ = 5945994960.

The previous prime is 12150511801. The next prime is 12150511823. The reversal of 12150511816 is 61811505121.

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, 16157220 + ... + 16157971.

It is an arithmetic number, because the mean of its divisors is an integer number (1454183640).

Almost surely, 2^12150511816 is an apocalyptic number.

It is an amenable number.

12150511816 is a deficient number, since it is larger than the sum of its proper divisors (11116426424).

12150511816 is a wasteful number, since it uses less digits than its factorization.

12150511816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32315244 (or 32315240 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 31.

The spelling of 12150511816 in words is "twelve billion, one hundred fifty million, five hundred eleven thousand, eight hundred sixteen".