12393119880 has 160 divisors (see below), whose sum is σ = 41765981400. Its totient is φ = 3296001024.

The previous prime is 12393119813. The next prime is 12393119881. The reversal of 12393119880 is 8891139321.

It can be written as a sum of positive squares in 4 ways, for example, as 8530000164 + 3863119716 = 92358^2 + 62154^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (12393119881) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1255444 + ... + 1265276.

Almost surely, 2^12393119880 is an apocalyptic number.

12393119880 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 12393119880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20882990700).

12393119880 is an abundant number, since it is smaller than the sum of its proper divisors (29372861520).

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

12393119880 is a wasteful number, since it uses less digits than its factorization.

12393119880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10245 (or 10232 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 12393119880 in words is "twelve billion, three hundred ninety-three million, one hundred nineteen thousand, eight hundred eighty".