1312230043232 has 24 divisors (see below), whose sum is σ = 2587547157552. Its totient is φ = 655075209600.

The previous prime is 1312230043213. The next prime is 1312230043259. The reversal of 1312230043232 is 2323400322131.

It is a happy number.

It is a congruent number.

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, 32473619 + ... + 32514002.

It is an arithmetic number, because the mean of its divisors is an integer number (107814464898).

Almost surely, 2^{1312230043232} is an apocalyptic number.

It is an amenable number.

1312230043232 is a deficient number, since it is larger than the sum of its proper divisors (1275317114320).

1312230043232 is an equidigital number, since it uses as much as digits as its factorization.

1312230043232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64988262 (or 64988254 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 1312230043232 its reverse (2323400322131), we get a palindrome (3635630365363).

The spelling of 1312230043232 in words is "one trillion, three hundred twelve billion, two hundred thirty million, forty-three thousand, two hundred thirty-two".