1313023013212 has 96 divisors (see below), whose sum is σ = 2537960040000. Its totient is φ = 591596113920.

The previous prime is 1313023013191. The next prime is 1313023013219. The reversal of 1313023013212 is 2123103203131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313023013219) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 193629262 + ... + 193636042.

It is an arithmetic number, because the mean of its divisors is an integer number (26437083750).

Almost surely, 2^{1313023013212} is an apocalyptic number.

It is an amenable number.

1313023013212 is a deficient number, since it is larger than the sum of its proper divisors (1224937026788).

1313023013212 is a wasteful number, since it uses less digits than its factorization.

1313023013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7639 (or 7637 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1313023013212 its reverse (2123103203131), we get a palindrome (3436126216343).

The spelling of 1313023013212 in words is "one trillion, three hundred thirteen billion, twenty-three million, thirteen thousand, two hundred twelve".