12087591474 has 16 divisors (see below), whose sum is σ = 27628780608. Its totient is φ = 3453597552.

The previous prime is 12087591431. The next prime is 12087591499. The reversal of 12087591474 is 47419578021.

It is a super-2 number, since 2×12087591474² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143899857 + ... + 143899940.

It is an arithmetic number, because the mean of its divisors is an integer number (1726798788).

Almost surely, 2^12087591474 is an apocalyptic number.

12087591474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12087591474 is an abundant number, since it is smaller than the sum of its proper divisors (15541189134).

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

12087591474 is a wasteful number, since it uses less digits than its factorization.

12087591474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287799809.

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 12087591474 in words is "twelve billion, eighty-seven million, five hundred ninety-one thousand, four hundred seventy-four".