12662663369280 has 112 divisors (see below), whose sum is σ = 40237435261824. Its totient is φ = 3373898342400.

The previous prime is 12662663369249. The next prime is 12662663369297. The reversal of 12662663369280 is 8296336626621.

It is a happy number.

It is a super-4 number, since 4×12662663369280⁴ (a number of 54 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 4338412 + ... + 6644331.

Almost surely, 2^{12662663369280} is an apocalyptic number.

12662663369280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12662663369280 is an abundant number, since it is smaller than the sum of its proper divisors (27574771892544).

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

12662663369280 is a wasteful number, since it uses less digits than its factorization.

12662663369280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10983964 (or 10983954 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 60.

The spelling of 12662663369280 in words is "twelve trillion, six hundred sixty-two billion, six hundred sixty-three million, three hundred sixty-nine thousand, two hundred eighty".