12492260690 has 128 divisors (see below), whose sum is σ = 28728000000. Its totient is φ = 3804143616.

The previous prime is 12492260689. The next prime is 12492260701. The reversal of 12492260690 is 9606229421.

It is a happy number.

It is a super-2 number, since 2×12492260690² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10001186 + ... + 10002434.

It is an arithmetic number, because the mean of its divisors is an integer number (224437500).

Almost surely, 2^12492260690 is an apocalyptic number.

12492260690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12492260690 is an abundant number, since it is smaller than the sum of its proper divisors (16235739310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12492260690 is a wasteful number, since it uses less digits than its factorization.

12492260690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 12492260690 in words is "twelve billion, four hundred ninety-two million, two hundred sixty thousand, six hundred ninety".