12398002090 has 32 divisors (see below), whose sum is σ = 22851170496. Its totient is φ = 4840523520.

The previous prime is 12398002079. The next prime is 12398002103. The reversal of 12398002090 is 9020089321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 666354 + ... + 684706.

It is an arithmetic number, because the mean of its divisors is an integer number (714099078).

Almost surely, 2^12398002090 is an apocalyptic number.

12398002090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12398002090 is a deficient number, since it is larger than the sum of its proper divisors (10453168406).

12398002090 is a wasteful number, since it uses less digits than its factorization.

12398002090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19974.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 12398002090 in words is "twelve billion, three hundred ninety-eight million, two thousand, ninety".