12618475776 has 216 divisors, whose sum is σ = 39118235520. Its totient is φ = 3899363328.

The previous prime is 12618475769. The next prime is 12618475783. The reversal of 12618475776 is 67757481621.

12618475776 is a `hidden beast` number, since 1 + 2 + 61 + 8 + 4 + 7 + 577 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (12618475769) and next prime (12618475783).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2054406 + ... + 2060538.

Almost surely, 2^12618475776 is an apocalyptic number.

12618475776 is a gapful number since it is divisible by the number (16) 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 12618475776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19559117760).

12618475776 is an abundant number, since it is smaller than the sum of its proper divisors (26499759744).

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

12618475776 is a wasteful number, since it uses less digits than its factorization.

12618475776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6221 (or 6204 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 54.

The spelling of 12618475776 in words is "twelve billion, six hundred eighteen million, four hundred seventy-five thousand, seven hundred seventy-six".