29120120013 has 4 divisors (see below), whose sum is σ = 38826826688. Its totient is φ = 19413413340.

The previous prime is 29120119997. The next prime is 29120120017. The reversal of 29120120013 is 31002102192.

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 not a de Polignac number, because 29120120013 - 2⁴ = 29120119997 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 (29120120017) 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 in 3 ways as a sum of consecutive naturals, for example, 4853353333 + ... + 4853353338.

It is an arithmetic number, because the mean of its divisors is an integer number (9706706672).

Almost surely, 2^29120120013 is an apocalyptic number.

It is an amenable number.

29120120013 is a deficient number, since it is larger than the sum of its proper divisors (9706706675).

29120120013 is an equidigital number, since it uses as much as digits as its factorization.

29120120013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9706706674.

The product of its (nonzero) digits is 216, while the sum is 21.

The spelling of 29120120013 in words is "twenty-nine billion, one hundred twenty million, one hundred twenty thousand, thirteen".