12186747486 has 64 divisors (see below), whose sum is σ = 27354412800. Its totient is φ = 4021537248.

The previous prime is 12186747479. The next prime is 12186747523. The reversal of 12186747486 is 68474768121.

12186747486 is a `hidden beast` number, since 12 + 1 + 86 + 7 + 474 + 86 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2365165 + ... + 2370311.

It is an arithmetic number, because the mean of its divisors is an integer number (427412700).

Almost surely, 2^12186747486 is an apocalyptic number.

12186747486 is an abundant number, since it is smaller than the sum of its proper divisors (15167665314).

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

12186747486 is a wasteful number, since it uses less digits than its factorization.

12186747486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5590 (or 5584 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 54.

The spelling of 12186747486 in words is "twelve billion, one hundred eighty-six million, seven hundred forty-seven thousand, four hundred eighty-six".