12176982720 has 392 divisors, whose sum is σ = 49692117024. Its totient is φ = 2782937088.

The previous prime is 12176982703. The next prime is 12176982757. The reversal of 12176982720 is 2728967121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1629232 + ... + 1636688.

Almost surely, 2^12176982720 is an apocalyptic number.

12176982720 is a gapful number since it is divisible by the number (10) 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 12176982720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24846058512).

12176982720 is an abundant number, since it is smaller than the sum of its proper divisors (37515134304).

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

12176982720 is an frugal number, since it uses more digits than its factorization.

12176982720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7499 (or 7474 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 12176982720 in words is "twelve billion, one hundred seventy-six million, nine hundred eighty-two thousand, seven hundred twenty".