12988793586461 has 48 divisors (see below), whose sum is σ = 16969661622144. Its totient is φ = 9723699216000.

The previous prime is 12988793586451. The next prime is 12988793586487. The reversal of 12988793586461 is 16468539788921.

It is not a de Polignac number, because 12988793586461 - 2³⁰ = 12987719844637 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (77).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12988793586451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 701510 + ... + 5144871.

It is an arithmetic number, because the mean of its divisors is an integer number (353534617128).

Almost surely, 2^{12988793586461} is an apocalyptic number.

12988793586461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12988793586461 is a deficient number, since it is larger than the sum of its proper divisors (3980868035683).

12988793586461 is a wasteful number, since it uses less digits than its factorization.

12988793586461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5846514 (or 5846503 counting only the distinct ones).

The product of its digits is 1254113280, while the sum is 77.

The spelling of 12988793586461 in words is "twelve trillion, nine hundred eighty-eight billion, seven hundred ninety-three million, five hundred eighty-six thousand, four hundred sixty-one".