13112213293 has 2 divisors, whose sum is σ = 13112213294. Its totient is φ = 13112213292.

The previous prime is 13112213287. The next prime is 13112213327. The reversal of 13112213293 is 39231221131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9596553444 + 3515659849 = 97962^2 + 59293^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13112213293 is a prime.

It is a super-2 number, since 2×13112213293² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13113213293) 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 as a sum of consecutive naturals, namely, 6556106646 + 6556106647.

It is an arithmetic number, because the mean of its divisors is an integer number (6556106647).

Almost surely, 2^13112213293 is an apocalyptic number.

It is an amenable number.

13112213293 is a deficient number, since it is larger than the sum of its proper divisors (1).

13112213293 is an equidigital number, since it uses as much as digits as its factorization.

13112213293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 28.

The spelling of 13112213293 in words is "thirteen billion, one hundred twelve million, two hundred thirteen thousand, two hundred ninety-three".