12252127634 has 8 divisors (see below), whose sum is σ = 18378768780. Its totient is φ = 6125871376.

The previous prime is 12252127633. The next prime is 12252127663. The reversal of 12252127634 is 43672125221.

It can be written as a sum of positive squares in 2 ways, for example, as 11832000625 + 420127009 = 108775^2 + 20497^2 .

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

It is a super-2 number, since 2×12252127634² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12252127594 and 12252127603.

It is not an unprimeable number, because it can be changed into a prime (12252127633) 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, 4412 + ... + 156600.

Almost surely, 2^12252127634 is an apocalyptic number.

12252127634 is a deficient number, since it is larger than the sum of its proper divisors (6126641146).

12252127634 is a wasteful number, since it uses less digits than its factorization.

12252127634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192444.

The product of its digits is 40320, while the sum is 35.

The spelling of 12252127634 in words is "twelve billion, two hundred fifty-two million, one hundred twenty-seven thousand, six hundred thirty-four".