12942132842 has 8 divisors (see below), whose sum is σ = 19485368100. Its totient is φ = 6447010144.

The previous prime is 12942132773. The next prime is 12942132871. The reversal of 12942132842 is 24823124921.

It can be written as a sum of positive squares in 2 ways, for example, as 12055820401 + 886312441 = 109799^2 + 29771^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12942132796 and 12942132805.

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, 12027467 + ... + 12028542.

Almost surely, 2^12942132842 is an apocalyptic number.

12942132842 is a deficient number, since it is larger than the sum of its proper divisors (6543235258).

12942132842 is a wasteful number, since it uses less digits than its factorization.

12942132842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24056280.

The product of its digits is 55296, while the sum is 38.

The spelling of 12942132842 in words is "twelve billion, nine hundred forty-two million, one hundred thirty-two thousand, eight hundred forty-two".