13021302312 has 64 divisors (see below), whose sum is σ = 37011480000. Its totient is φ = 4239490752.

The previous prime is 13021302289. The next prime is 13021302313. The reversal of 13021302312 is 21320312031.

13021302312 is a `hidden beast` number, since 1 + 30 + 21 + 302 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13021302313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 691687 + ... + 710262.

It is an arithmetic number, because the mean of its divisors is an integer number (578304375).

Almost surely, 2^13021302312 is an apocalyptic number.

13021302312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13021302312 is an abundant number, since it is smaller than the sum of its proper divisors (23990177688).

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

13021302312 is a wasteful number, since it uses less digits than its factorization.

13021302312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402007 (or 1401997 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13021302312 its reverse (21320312031), we get a palindrome (34341614343).

The spelling of 13021302312 in words is "thirteen billion, twenty-one million, three hundred two thousand, three hundred twelve".