1312321423204 has 48 divisors (see below), whose sum is σ = 2515844318400. Its totient is φ = 594009920000.

The previous prime is 1312321423177. The next prime is 1312321423241. The reversal of 1312321423204 is 4023241232131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72538992 + ... + 72557080.

It is an arithmetic number, because the mean of its divisors is an integer number (52413423300).

Almost surely, 2^{1312321423204} is an apocalyptic number.

It is an amenable number.

1312321423204 is a deficient number, since it is larger than the sum of its proper divisors (1203522895196).

1312321423204 is a wasteful number, since it uses less digits than its factorization.

1312321423204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24924 (or 24922 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1312321423204 its reverse (4023241232131), we get a palindrome (5335562655335).

The spelling of 1312321423204 in words is "one trillion, three hundred twelve billion, three hundred twenty-one million, four hundred twenty-three thousand, two hundred four".