12458845121 has 16 divisors (see below), whose sum is σ = 13008643200. Its totient is φ = 11917546368.

The previous prime is 12458845067. The next prime is 12458845141. The reversal of 12458845121 is 12154885421.

It is a cyclic number.

It is not a de Polignac number, because 12458845121 - 2¹⁸ = 12458582977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12458845141) 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, 1511750 + ... + 1519968.

It is an arithmetic number, because the mean of its divisors is an integer number (813040200).

Almost surely, 2^12458845121 is an apocalyptic number.

It is an amenable number.

12458845121 is a deficient number, since it is larger than the sum of its proper divisors (549798079).

12458845121 is a wasteful number, since it uses less digits than its factorization.

12458845121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8728.

The product of its digits is 102400, while the sum is 41.

The spelling of 12458845121 in words is "twelve billion, four hundred fifty-eight million, eight hundred forty-five thousand, one hundred twenty-one".