12258516029 has 4 divisors (see below), whose sum is σ = 12265369980. Its totient is φ = 12251662080.

The previous prime is 12258515989. The next prime is 12258516041. The reversal of 12258516029 is 92061585221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6501196900 + 5757319129 = 80630^2 + 75877^2 .

It is a cyclic number.

It is not a de Polignac number, because 12258516029 - 2²⁴ = 12241738813 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 (12258516089) 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, 3424292 + ... + 3427869.

It is an arithmetic number, because the mean of its divisors is an integer number (3066342495).

Almost surely, 2^12258516029 is an apocalyptic number.

It is an amenable number.

12258516029 is a deficient number, since it is larger than the sum of its proper divisors (6853951).

12258516029 is an equidigital number, since it uses as much as digits as its factorization.

12258516029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6853950.

The product of its (nonzero) digits is 86400, while the sum is 41.

The spelling of 12258516029 in words is "twelve billion, two hundred fifty-eight million, five hundred sixteen thousand, twenty-nine".