12258432989279 has 16 divisors (see below), whose sum is σ = 13009725653760. Its totient is φ = 11510499419520.

The previous prime is 12258432989227. The next prime is 12258432989291. The reversal of 12258432989279 is 97298923485221.

It is a happy number.

12258432989279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12258432989279 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 (12258432929279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293446664 + ... + 293488434.

It is an arithmetic number, because the mean of its divisors is an integer number (813107853360).

Almost surely, 2^{12258432989279} is an apocalyptic number.

12258432989279 is a deficient number, since it is larger than the sum of its proper divisors (751292664481).

12258432989279 is a wasteful number, since it uses less digits than its factorization.

12258432989279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81550.

The product of its digits is 313528320, while the sum is 71.

The spelling of 12258432989279 in words is "twelve trillion, two hundred fifty-eight billion, four hundred thirty-two million, nine hundred eighty-nine thousand, two hundred seventy-nine".