12663968951040 has 144 divisors (see below), whose sum is σ = 44122419242496. Its totient is φ = 3070053068800.

The previous prime is 12663968950979. The next prime is 12663968951069. The reversal of 12663968951040 is 4015986936621.

It is a super-2 number, since 2×12663968951040² (a number of 27 digits) contains 22 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, 149862696 + ... + 149947175.

It is an arithmetic number, because the mean of its divisors is an integer number (306405689184).

Almost surely, 2^{12663968951040} is an apocalyptic number.

12663968951040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12663968951040 is an abundant number, since it is smaller than the sum of its proper divisors (31458450291456).

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

12663968951040 is a wasteful number, since it uses less digits than its factorization.

12663968951040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299809906 (or 299809892 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 60.

The spelling of 12663968951040 in words is "twelve trillion, six hundred sixty-three billion, nine hundred sixty-eight million, nine hundred fifty-one thousand, forty".