12104939842 has 8 divisors (see below), whose sum is σ = 18168139836. Its totient is φ = 6048893232.

The previous prime is 12104939827. The next prime is 12104939863. The reversal of 12104939842 is 24893940121.

It can be written as a sum of positive squares in 2 ways, for example, as 11946708601 + 158231241 = 109301^2 + 12579^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1784113 + ... + 1790884.

Almost surely, 2^12104939842 is an apocalyptic number.

12104939842 is a deficient number, since it is larger than the sum of its proper divisors (6063199994).

12104939842 is a wasteful number, since it uses less digits than its factorization.

12104939842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3576692.

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 12104939842 in words is "twelve billion, one hundred four million, nine hundred thirty-nine thousand, eight hundred forty-two".