12133542688 has 24 divisors (see below), whose sum is σ = 23892599808. Its totient is φ = 6065580864.

The previous prime is 12133542677. The next prime is 12133542737. The reversal of 12133542688 is 88624533121.

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, 141645 + ... + 210547.

It is an arithmetic number, because the mean of its divisors is an integer number (995524992).

Almost surely, 2^12133542688 is an apocalyptic number.

It is an amenable number.

12133542688 is a deficient number, since it is larger than the sum of its proper divisors (11759057120).

12133542688 is an equidigital number, since it uses as much as digits as its factorization.

12133542688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74416 (or 74408 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The spelling of 12133542688 in words is "twelve billion, one hundred thirty-three million, five hundred forty-two thousand, six hundred eighty-eight".