12626632042 has 8 divisors (see below), whose sum is σ = 18945995076. Its totient is φ = 6311300352.

The previous prime is 12626632013. The next prime is 12626632093. The reversal of 12626632042 is 24023662621.

It can be written as a sum of positive squares in 2 ways, for example, as 12622747201 + 3884841 = 112351^2 + 1971^2 .

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

It is a super-2 number, since 2×12626632042² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12626631989 and 12626632007.

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, 999993 + ... + 1012540.

Almost surely, 2^12626632042 is an apocalyptic number.

12626632042 is a deficient number, since it is larger than the sum of its proper divisors (6319363034).

12626632042 is a wasteful number, since it uses less digits than its factorization.

12626632042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015672.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 12626632042 in words is "twelve billion, six hundred twenty-six million, six hundred thirty-two thousand, forty-two".