12131333233232 has 20 divisors (see below), whose sum is σ = 23516192828640. Its totient is φ = 6062638309728.

The previous prime is 12131333233231. The next prime is 12131333233249. The reversal of 12131333233232 is 23233233313121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131333233231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189236132 + ... + 189300227.

It is an arithmetic number, because the mean of its divisors is an integer number (1175809641432).

Almost surely, 2^{12131333233232} is an apocalyptic number.

It is an amenable number.

12131333233232 is a deficient number, since it is larger than the sum of its proper divisors (11384859595408).

12131333233232 is a wasteful number, since it uses less digits than its factorization.

12131333233232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378538370 (or 378538364 counting only the distinct ones).

The product of its digits is 34992, while the sum is 32.

Adding to 12131333233232 its reverse (23233233313121), we get a palindrome (35364566546353).

The spelling of 12131333233232 in words is "twelve trillion, one hundred thirty-one billion, three hundred thirty-three million, two hundred thirty-three thousand, two hundred thirty-two".