12997489342 has 8 divisors (see below), whose sum is σ = 19949634936. Its totient is φ = 6347611032.

The previous prime is 12997489339. The next prime is 12997489343. The reversal of 12997489342 is 24398479921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12997489343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75566713 + ... + 75566884.

It is an arithmetic number, because the mean of its divisors is an integer number (2493704367).

Almost surely, 2^12997489342 is an apocalyptic number.

12997489342 is a deficient number, since it is larger than the sum of its proper divisors (6952145594).

12997489342 is a wasteful number, since it uses less digits than its factorization.

12997489342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151133642.

The product of its digits is 7838208, while the sum is 58.

The spelling of 12997489342 in words is "twelve billion, nine hundred ninety-seven million, four hundred eighty-nine thousand, three hundred forty-two".