12417979392 has 792 divisors, whose sum is σ = 47685208896. Its totient is φ = 3036413952.

The previous prime is 12417979361. The next prime is 12417979403. The reversal of 12417979392 is 29397971421.

It is a happy number.

12417979392 is a `hidden beast` number, since 1 + 241 + 7 + 9 + 7 + 9 + 392 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 185342943 + ... + 185343009.

Almost surely, 2^12417979392 is an apocalyptic number.

12417979392 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 12417979392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23842604448).

12417979392 is an abundant number, since it is smaller than the sum of its proper divisors (35267229504).

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

12417979392 is a wasteful number, since it uses less digits than its factorization.

12417979392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 109 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 54.

The spelling of 12417979392 in words is "twelve billion, four hundred seventeen million, nine hundred seventy-nine thousand, three hundred ninety-two".