13012312123312 has 10 divisors (see below), whose sum is σ = 25211354738948. Its totient is φ = 6506156061648.

The previous prime is 13012312123271. The next prime is 13012312123397. The reversal of 13012312123312 is 21332121321031.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406634753838 + ... + 406634753869.

Almost surely, 2^{13012312123312} is an apocalyptic number.

It is an amenable number.

13012312123312 is a deficient number, since it is larger than the sum of its proper divisors (12199042615636).

13012312123312 is an equidigital number, since it uses as much as digits as its factorization.

13012312123312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813269507715 (or 813269507709 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 13012312123312 its reverse (21332121321031), we get a palindrome (34344433444343).

The spelling of 13012312123312 in words is "thirteen trillion, twelve billion, three hundred twelve million, one hundred twenty-three thousand, three hundred twelve".