12292492808 has 12 divisors (see below), whose sum is σ = 23049012015. Its totient is φ = 6146089608.

The previous prime is 12292492801. The next prime is 12292492811. The reversal of 12292492808 is 80829429221.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 6146246404 + 6146246404 = 78398^2 + 78398^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=78398.

It is a super-2 number, since 2×12292492808² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12292492801) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 293993 + ... + 333191.

Almost surely, 2^12292492808 is an apocalyptic number.

It is an amenable number.

12292492808 is a deficient number, since it is larger than the sum of its proper divisors (10756519207).

12292492808 is an frugal number, since it uses more digits than its factorization.

12292492808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78404 (or 39201 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 12292492808 in words is "twelve billion, two hundred ninety-two million, four hundred ninety-two thousand, eight hundred eight".