12988185444334 has 4 divisors (see below), whose sum is σ = 19482278166504. Its totient is φ = 6494092722166.

The previous prime is 12988185444271. The next prime is 12988185444359. The reversal of 12988185444334 is 43344458188921.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×12988185444334² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3247046361082 + ... + 3247046361085.

It is an arithmetic number, because the mean of its divisors is an integer number (4870569541626).

Almost surely, 2^{12988185444334} is an apocalyptic number.

12988185444334 is a deficient number, since it is larger than the sum of its proper divisors (6494092722170).

12988185444334 is an equidigital number, since it uses as much as digits as its factorization.

12988185444334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6494092722169.

The product of its digits is 106168320, while the sum is 64.

The spelling of 12988185444334 in words is "twelve trillion, nine hundred eighty-eight billion, one hundred eighty-five million, four hundred forty-four thousand, three hundred thirty-four".