12031632040 has 64 divisors (see below), whose sum is σ = 27753606720. Its totient is φ = 4691520000.

The previous prime is 12031632031. The next prime is 12031632079. The reversal of 12031632040 is 4023613021.

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 15 ways as a sum of consecutive naturals, for example, 2968015 + ... + 2972065.

It is an arithmetic number, because the mean of its divisors is an integer number (433650105).

Almost surely, 2^12031632040 is an apocalyptic number.

12031632040 is a gapful number since it is divisible by the number (10) 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 12031632040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13876803360).

12031632040 is an abundant number, since it is smaller than the sum of its proper divisors (15721974680).

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

12031632040 is a wasteful number, since it uses less digits than its factorization.

12031632040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5914 (or 5910 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The spelling of 12031632040 in words is "twelve billion, thirty-one million, six hundred thirty-two thousand, forty".