12291132084 has 72 divisors (see below), whose sum is σ = 36026929344. Its totient is φ = 3192499200.

The previous prime is 12291132079. The next prime is 12291132131. The reversal of 12291132084 is 48023119221.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 594477 + ... + 614804.

Almost surely, 2^12291132084 is an apocalyptic number.

12291132084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12291132084 is an abundant number, since it is smaller than the sum of its proper divisors (23735797260).

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

12291132084 is a wasteful number, since it uses less digits than its factorization.

12291132084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209317 (or 1209304 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The spelling of 12291132084 in words is "twelve billion, two hundred ninety-one million, one hundred thirty-two thousand, eighty-four".