12963946820040 has 128 divisors (see below), whose sum is σ = 43214071536000. Its totient is φ = 3456979248384.

The previous prime is 12963946819979. The next prime is 12963946820059. The reversal of 12963946820040 is 4002864936921.

12963946820040 is a `hidden beast` number, since 1 + 2 + 9 + 6 + 394 + 6 + 8 + 200 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67541326 + ... + 67732994.

It is an arithmetic number, because the mean of its divisors is an integer number (337609933875).

Almost surely, 2^{12963946820040} is an apocalyptic number.

12963946820040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12963946820040 is an abundant number, since it is smaller than the sum of its proper divisors (30250124715960).

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

12963946820040 is a wasteful number, since it uses less digits than its factorization.

12963946820040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254316 (or 254306 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 12963946820040 in words is "twelve trillion, nine hundred sixty-three billion, nine hundred forty-six million, eight hundred twenty thousand, forty".