12458823128 has 16 divisors (see below), whose sum is σ = 23708955480. Its totient is φ = 6136435008.

The previous prime is 12458823101. The next prime is 12458823131. The reversal of 12458823128 is 82132885421.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11621501 + ... + 11622572.

Almost surely, 2^12458823128 is an apocalyptic number.

It is an amenable number.

12458823128 is a deficient number, since it is larger than the sum of its proper divisors (11250132352).

12458823128 is a wasteful number, since it uses less digits than its factorization.

12458823128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23244146 (or 23244142 counting only the distinct ones).

The product of its digits is 245760, while the sum is 44.

The spelling of 12458823128 in words is "twelve billion, four hundred fifty-eight million, eight hundred twenty-three thousand, one hundred twenty-eight".