13012220329 has 4 divisors (see below), whose sum is σ = 13090137984. Its totient is φ = 12934302676.

The previous prime is 13012220317. The next prime is 13012220363. The reversal of 13012220329 is 92302221031.

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 13012220329 - 2⁷ = 13012220201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13012220369) 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, 38958577 + ... + 38958910.

It is an arithmetic number, because the mean of its divisors is an integer number (3272534496).

Almost surely, 2^13012220329 is an apocalyptic number.

It is an amenable number.

13012220329 is a deficient number, since it is larger than the sum of its proper divisors (77917655).

13012220329 is an equidigital number, since it uses as much as digits as its factorization.

13012220329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77917654.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 13012220329 in words is "thirteen billion, twelve million, two hundred twenty thousand, three hundred twenty-nine".