12150553532 has 24 divisors (see below), whose sum is σ = 22959577200. Its totient is φ = 5593142016.

The previous prime is 12150553529. The next prime is 12150553537. The reversal of 12150553532 is 23535505121.

It is a super-2 number, since 2×12150553532² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12150553537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288557 + ... + 327972.

It is an arithmetic number, because the mean of its divisors is an integer number (956649050).

Almost surely, 2^12150553532 is an apocalyptic number.

It is an amenable number.

12150553532 is a deficient number, since it is larger than the sum of its proper divisors (10809023668).

12150553532 is a wasteful number, since it uses less digits than its factorization.

12150553532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616925 (or 616923 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 32.

The spelling of 12150553532 in words is "twelve billion, one hundred fifty million, five hundred fifty-three thousand, five hundred thirty-two".