12131111332 has 24 divisors (see below), whose sum is σ = 22006010880. Its totient is φ = 5845318080.

The previous prime is 12131111303. The next prime is 12131111341. The reversal of 12131111332 is 23311113121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175033 + ... + 234304.

It is an arithmetic number, because the mean of its divisors is an integer number (916917120).

Almost surely, 2^12131111332 is an apocalyptic number.

It is an amenable number.

12131111332 is a deficient number, since it is larger than the sum of its proper divisors (9874899548).

12131111332 is a wasteful number, since it uses less digits than its factorization.

12131111332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409611 (or 409609 counting only the distinct ones).

The product of its digits is 108, while the sum is 19.

Adding to 12131111332 its reverse (23311113121), we get a palindrome (35442224453).

The spelling of 12131111332 in words is "twelve billion, one hundred thirty-one million, one hundred eleven thousand, three hundred thirty-two".