12340683852 has 96 divisors (see below), whose sum is σ = 34226411520. Its totient is φ = 3387121920.

The previous prime is 12340683851. The next prime is 12340683857. The reversal of 12340683852 is 25838604321.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (12340683851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220402 + ... + 270662.

It is an arithmetic number, because the mean of its divisors is an integer number (356525120).

Almost surely, 2^12340683852 is an apocalyptic number.

12340683852 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 12340683852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17113205760).

12340683852 is an abundant number, since it is smaller than the sum of its proper divisors (21885727668).

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

12340683852 is a wasteful number, since it uses less digits than its factorization.

12340683852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50391 (or 50389 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 12340683852 in words is "twelve billion, three hundred forty million, six hundred eighty-three thousand, eight hundred fifty-two".