12193932852 has 72 divisors (see below), whose sum is σ = 31539187680. Its totient is φ = 3971125440.

The previous prime is 12193932827. The next prime is 12193932859. The reversal of 12193932852 is 25823939121.

It is a junction number, because it is equal to n+sod(n) for n = 12193932798 and 12193932807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12193932859) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 328602 + ... + 363822.

Almost surely, 2^12193932852 is an apocalyptic number.

12193932852 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 12193932852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15769593840).

12193932852 is an abundant number, since it is smaller than the sum of its proper divisors (19345254828).

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

12193932852 is a wasteful number, since it uses less digits than its factorization.

12193932852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35453 (or 35448 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The spelling of 12193932852 in words is "twelve billion, one hundred ninety-three million, nine hundred thirty-two thousand, eight hundred fifty-two".