12995366820408 has 48 divisors (see below), whose sum is σ = 40223754445680. Its totient is φ = 3712961948544.

The previous prime is 12995366820407. The next prime is 12995366820427. The reversal of 12995366820408 is 80402866359921.

12995366820408 is a `hidden beast` number, since 1 + 2 + 9 + 95 + 3 + 66 + 82 + 0 + 408 = 666.

It is a super-2 number, since 2×12995366820408² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12995366820407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12892228485 + ... + 12892229492.

It is an arithmetic number, because the mean of its divisors is an integer number (837994884285).

Almost surely, 2^{12995366820408} is an apocalyptic number.

12995366820408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12995366820408 is an abundant number, since it is smaller than the sum of its proper divisors (27228387625272).

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

12995366820408 is a wasteful number, since it uses less digits than its factorization.

12995366820408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25784457996 (or 25784457989 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 63.

The spelling of 12995366820408 in words is "twelve trillion, nine hundred ninety-five billion, three hundred sixty-six million, eight hundred twenty thousand, four hundred eight".