12662478892799 has 8 divisors (see below), whose sum is σ = 12666796781760. Its totient is φ = 12658161309696.

The previous prime is 12662478892787. The next prime is 12662478892831. The reversal of 12662478892799 is 99729887426621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12662478892799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12662478892729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108233567 + ... + 108350495.

It is an arithmetic number, because the mean of its divisors is an integer number (1583349597720).

Almost surely, 2^{12662478892799} is an apocalyptic number.

12662478892799 is a deficient number, since it is larger than the sum of its proper divisors (4317888961).

12662478892799 is a wasteful number, since it uses less digits than its factorization.

12662478892799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152929.

The product of its digits is 2633637888, while the sum is 80.

The spelling of 12662478892799 in words is "twelve trillion, six hundred sixty-two billion, four hundred seventy-eight million, eight hundred ninety-two thousand, seven hundred ninety-nine".