12091393632 has 96 divisors (see below), whose sum is σ = 32891201280. Its totient is φ = 3884751360.

The previous prime is 12091393609. The next prime is 12091393673. The reversal of 12091393632 is 23639319021.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

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, 1753263 + ... + 1760145.

It is an arithmetic number, because the mean of its divisors is an integer number (342616680).

Almost surely, 2^12091393632 is an apocalyptic number.

12091393632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12091393632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16445600640).

12091393632 is an abundant number, since it is smaller than the sum of its proper divisors (20799807648).

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

12091393632 is a wasteful number, since it uses less digits than its factorization.

12091393632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7556 (or 7548 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 39.

The spelling of 12091393632 in words is "twelve billion, ninety-one million, three hundred ninety-three thousand, six hundred thirty-two".