1312102321312 has 24 divisors (see below), whose sum is σ = 2621756694816. Its totient is φ = 646259351232.

The previous prime is 1312102321217. The next prime is 1312102321427. The reversal of 1312102321312 is 2131232012131.

It is a super-2 number, since 2×1312102321312² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305991868 + ... + 305996155.

It is an arithmetic number, because the mean of its divisors is an integer number (109239862284).

Almost surely, 2^{1312102321312} is an apocalyptic number.

It is an amenable number.

1312102321312 is a deficient number, since it is larger than the sum of its proper divisors (1309654373504).

1312102321312 is an equidigital number, since it uses as much as digits as its factorization.

1312102321312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611988100 (or 611988092 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1312102321312 its reverse (2131232012131), we get a palindrome (3443334333443).

The spelling of 1312102321312 in words is "one trillion, three hundred twelve billion, one hundred two million, three hundred twenty-one thousand, three hundred twelve".