12190912432 has 90 divisors (see below), whose sum is σ = 25498060604. Its totient is φ = 5645283840.

The previous prime is 12190912423. The next prime is 12190912537. The reversal of 12190912432 is 23421909121.

12190912432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23309323 + ... + 23309845.

Almost surely, 2^12190912432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12190912432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12749030302).

12190912432 is an abundant number, since it is smaller than the sum of its proper divisors (13307148172).

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

12190912432 is an equidigital number, since it uses as much as digits as its factorization.

12190912432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 12190912432 in words is "twelve billion, one hundred ninety million, nine hundred twelve thousand, four hundred thirty-two".