1313210232012 has 48 divisors (see below), whose sum is σ = 3654150216192. Its totient is φ = 358889752320.

The previous prime is 1313210231903. The next prime is 1313210232017. The reversal of 1313210232012 is 2102320123131.

It is a super-2 number, since 2×1313210232012² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1313210232012.

It is not an unprimeable number, because it can be changed into a prime (1313210232017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339855789 + ... + 339859652.

It is an arithmetic number, because the mean of its divisors is an integer number (76128129504).

Almost surely, 2^{1313210232012} is an apocalyptic number.

1313210232012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1313210232012 is an abundant number, since it is smaller than the sum of its proper divisors (2340939984180).

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

1313210232012 is a wasteful number, since it uses less digits than its factorization.

1313210232012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679715478 (or 679715476 counting only the distinct ones).

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

Adding to 1313210232012 its reverse (2102320123131), we get a palindrome (3415530355143).

The spelling of 1313210232012 in words is "one trillion, three hundred thirteen billion, two hundred ten million, two hundred thirty-two thousand, twelve".