12723342979874 has 8 divisors (see below), whose sum is σ = 19085614855020. Its totient is φ = 6361471361536.

The previous prime is 12723342979849. The next prime is 12723342979877. The reversal of 12723342979874 is 47897924332721.

It can be written as a sum of positive squares in 2 ways, for example, as 12210880281649 + 512462698225 = 3494407^2 + 715865^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12723342979877) 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, 99984719 + ... + 100111890.

Almost surely, 2^{12723342979874} is an apocalyptic number.

12723342979874 is a deficient number, since it is larger than the sum of its proper divisors (6362271875146).

12723342979874 is a wasteful number, since it uses less digits than its factorization.

12723342979874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200128404.

The product of its digits is 256048128, while the sum is 68.

The spelling of 12723342979874 in words is "twelve trillion, seven hundred twenty-three billion, three hundred forty-two million, nine hundred seventy-nine thousand, eight hundred seventy-four".