12331121984 has 14 divisors (see below), whose sum is σ = 24469570314. Its totient is φ = 6165560960.

The previous prime is 12331121981. The next prime is 12331122007. The reversal of 12331121984 is 48912113321.

It can be written as a sum of positive squares in only one way, i.e., 8888718400 + 3442403584 = 94280^2 + 58672^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331121981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96336827 + ... + 96336954.

It is an arithmetic number, because the mean of its divisors is an integer number (1747826451).

Almost surely, 2^12331121984 is an apocalyptic number.

It is an amenable number.

12331121984 is a deficient number, since it is larger than the sum of its proper divisors (12138448330).

12331121984 is an equidigital number, since it uses as much as digits as its factorization.

12331121984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192673793 (or 192673783 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The spelling of 12331121984 in words is "twelve billion, three hundred thirty-one million, one hundred twenty-one thousand, nine hundred eighty-four".