1312022113320 has 64 divisors (see below), whose sum is σ = 3938018512320. Its totient is φ = 349699037184.

The previous prime is 1312022113313. The next prime is 1312022113357. The reversal of 1312022113320 is 233112202131.

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 15 ways as a sum of consecutive naturals, for example, 2468302 + ... + 2952381.

It is an arithmetic number, because the mean of its divisors is an integer number (61531539255).

Almost surely, 2^{1312022113320} is an apocalyptic number.

1312022113320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312022113320 is an abundant number, since it is smaller than the sum of its proper divisors (2625996399000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312022113320 is a wasteful number, since it uses less digits than its factorization.

1312022113320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5422714 (or 5422710 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1312022113320 its reverse (233112202131), we get a palindrome (1545134315451).

The spelling of 1312022113320 in words is "one trillion, three hundred twelve billion, twenty-two million, one hundred thirteen thousand, three hundred twenty".