12997669897228 has 48 divisors (see below), whose sum is σ = 24325246632960. Its totient is φ = 6055297323264.

The previous prime is 12997669897127. The next prime is 12997669897259. The reversal of 12997669897228 is 82279896679921.

It is a happy number.

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, 22541325 + ... + 23110747.

It is an arithmetic number, because the mean of its divisors is an integer number (506775971520).

Almost surely, 2^{12997669897228} is an apocalyptic number.

It is an amenable number.

12997669897228 is a deficient number, since it is larger than the sum of its proper divisors (11327576735732).

12997669897228 is a wasteful number, since it uses less digits than its factorization.

12997669897228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572806 (or 572804 counting only the distinct ones).

The product of its digits is 5925685248, while the sum is 85.

The spelling of 12997669897228 in words is "twelve trillion, nine hundred ninety-seven billion, six hundred sixty-nine million, eight hundred ninety-seven thousand, two hundred twenty-eight".