12186746880 has 816 divisors, whose sum is σ = 51639876864. Its totient is φ = 2422210560.

The previous prime is 12186746867. The next prime is 12186746941. The reversal of 12186746880 is 8864768121.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 529858549 + ... + 529858571.

Almost surely, 2^12186746880 is an apocalyptic number.

12186746880 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 12186746880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25819938432).

12186746880 is an abundant number, since it is smaller than the sum of its proper divisors (39453129984).

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

12186746880 is an equidigital number, since it uses as much as digits as its factorization.

12186746880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 51.

The spelling of 12186746880 in words is "twelve billion, one hundred eighty-six million, seven hundred forty-six thousand, eight hundred eighty".