13012012319 has 4 divisors (see below), whose sum is σ = 13014545544. Its totient is φ = 13009479096.

The previous prime is 13012012303. The next prime is 13012012373. The reversal of 13012012319 is 91321021031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13012012319 - 2⁴ = 13012012303 is a prime.

It is a super-2 number, since 2×13012012319² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13012012294 and 13012012303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012012399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1258892 + ... + 1269185.

It is an arithmetic number, because the mean of its divisors is an integer number (3253636386).

Almost surely, 2^13012012319 is an apocalyptic number.

13012012319 is a deficient number, since it is larger than the sum of its proper divisors (2533225).

13012012319 is an equidigital number, since it uses as much as digits as its factorization.

13012012319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2533224.

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 13012012319 in words is "thirteen billion, twelve million, twelve thousand, three hundred nineteen".