12243940192 has 96 divisors (see below), whose sum is σ = 28260005760. Its totient is φ = 5159700480.

The previous prime is 12243940187. The next prime is 12243940193. The reversal of 12243940192 is 29104934221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12243940193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385659 + ... + 416197.

It is an arithmetic number, because the mean of its divisors is an integer number (294375060).

Almost surely, 2^12243940192 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 12243940192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14130002880).

12243940192 is an abundant number, since it is smaller than the sum of its proper divisors (16016065568).

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

12243940192 is a wasteful number, since it uses less digits than its factorization.

12243940192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30644 (or 30636 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 12243940192 in words is "twelve billion, two hundred forty-three million, nine hundred forty thousand, one hundred ninety-two".