12458685492 has 120 divisors (see below), whose sum is σ = 35580504960. Its totient is φ = 3770029440.

The previous prime is 12458685487. The next prime is 12458685497. The reversal of 12458685492 is 29458685421.

12458685492 is a `hidden beast` number, since 1 + 2 + 4 + 586 + 8 + 54 + 9 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (12458685487) and next prime (12458685497).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12458685497) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3052309 + ... + 3056387.

It is an arithmetic number, because the mean of its divisors is an integer number (296504208).

Almost surely, 2^12458685492 is an apocalyptic number.

12458685492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12458685492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17790252480).

12458685492 is an abundant number, since it is smaller than the sum of its proper divisors (23121819468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12458685492 is a wasteful number, since it uses less digits than its factorization.

12458685492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4963 (or 4952 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 54.

The spelling of 12458685492 in words is "twelve billion, four hundred fifty-eight million, six hundred eighty-five thousand, four hundred ninety-two".