12290924898 has 54 divisors (see below), whose sum is σ = 30986448129. Its totient is φ = 3510752112.

The previous prime is 12290924887. The next prime is 12290924959. The reversal of 12290924898 is 89842909221.

It can be written as a sum of positive squares in 2 ways, for example, as 12261797289 + 29127609 = 110733^2 + 5397^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=78393.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3290640 + ... + 3294372.

Almost surely, 2^12290924898 is an apocalyptic number.

12290924898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12290924898 is an abundant number, since it is smaller than the sum of its proper divisors (18695523231).

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

12290924898 is an frugal number, since it uses more digits than its factorization.

12290924898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7488 (or 3745 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The spelling of 12290924898 in words is "twelve billion, two hundred ninety million, nine hundred twenty-four thousand, eight hundred ninety-eight".