12304543090 has 32 divisors (see below), whose sum is σ = 25632622080. Its totient is φ = 4165297344.

The previous prime is 12304543039. The next prime is 12304543091. The reversal of 12304543090 is 9034540321.

It is not an unprimeable number, because it can be changed into a prime (12304543091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1106997 + ... + 1118056.

It is an arithmetic number, because the mean of its divisors is an integer number (801019440).

Almost surely, 2^12304543090 is an apocalyptic number.

12304543090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12304543090 is an abundant number, since it is smaller than the sum of its proper divisors (13328078990).

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

12304543090 is a wasteful number, since it uses less digits than its factorization.

12304543090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225146.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 12304543090 in words is "twelve billion, three hundred four million, five hundred forty-three thousand, ninety".