12090111232 has 18 divisors (see below), whose sum is σ = 24132995978. Its totient is φ = 6045055488.

The previous prime is 12090111227. The next prime is 12090111239. The reversal of 12090111232 is 23211109021.

It can be written as a sum of positive squares in only one way, i.e., 11980615936 + 109495296 = 109456^2 + 10464^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12090111239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23613243 + ... + 23613754.

Almost surely, 2^12090111232 is an apocalyptic number.

It is an amenable number.

12090111232 is a deficient number, since it is larger than the sum of its proper divisors (12042884746).

12090111232 is an frugal number, since it uses more digits than its factorization.

12090111232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47227013 (or 47226999 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 12090111232 in words is "twelve billion, ninety million, one hundred eleven thousand, two hundred thirty-two".