13012312213 has 4 divisors (see below), whose sum is σ = 13195584288. Its totient is φ = 12829040140.

The previous prime is 13012312211. The next prime is 13012312231. The reversal of 13012312213 is 31221321031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13012312213 - 2¹ = 13012312211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012312211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91635931 + ... + 91636072.

It is an arithmetic number, because the mean of its divisors is an integer number (3298896072).

Almost surely, 2^13012312213 is an apocalyptic number.

It is an amenable number.

13012312213 is a deficient number, since it is larger than the sum of its proper divisors (183272075).

13012312213 is an equidigital number, since it uses as much as digits as its factorization.

13012312213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183272074.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13012312213 its reverse (31221321031), we get a palindrome (44233633244).

The spelling of 13012312213 in words is "thirteen billion, twelve million, three hundred twelve thousand, two hundred thirteen".