12662415484880 has 80 divisors (see below), whose sum is σ = 34806048520320. Its totient is φ = 4191696155136.

The previous prime is 12662415484861. The next prime is 12662415484897. The reversal of 12662415484880 is 8848451426621.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×12662415484880² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389836454 + ... + 389868933.

It is an arithmetic number, because the mean of its divisors is an integer number (435075606504).

Almost surely, 2^{12662415484880} is an apocalyptic number.

12662415484880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12662415484880 is an abundant number, since it is smaller than the sum of its proper divisors (22143633035440).

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

12662415484880 is a wasteful number, since it uses less digits than its factorization.

12662415484880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779705436 (or 779705430 counting only the distinct ones).

The product of its (nonzero) digits is 23592960, while the sum is 59.

The spelling of 12662415484880 in words is "twelve trillion, six hundred sixty-two billion, four hundred fifteen million, four hundred eighty-four thousand, eight hundred eighty".