12487189090 has 32 divisors (see below), whose sum is σ = 22595060160. Its totient is φ = 4968667200.

The previous prime is 12487189079. The next prime is 12487189093. The reversal of 12487189090 is 9098178421.

It is not an unprimeable number, because it can be changed into a prime (12487189093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4145685 + ... + 4148695.

It is an arithmetic number, because the mean of its divisors is an integer number (706095630).

Almost surely, 2^12487189090 is an apocalyptic number.

12487189090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12487189090 is a deficient number, since it is larger than the sum of its proper divisors (10107871070).

12487189090 is a wasteful number, since it uses less digits than its factorization.

12487189090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5058.

The product of its (nonzero) digits is 290304, while the sum is 49.

The spelling of 12487189090 in words is "twelve billion, four hundred eighty-seven million, one hundred eighty-nine thousand, ninety".