12339561122340 has 48 divisors (see below), whose sum is σ = 34649770545600. Its totient is φ = 3281121118080.

The previous prime is 12339561122323. The next prime is 12339561122341. The reversal of 12339561122340 is 4322116593321.

It is a junction number, because it is equal to n+sod(n) for n = 12339561122292 and 12339561122301.

It is not an unprimeable number, because it can be changed into a prime (12339561122341) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 294619966 + ... + 294661845.

It is an arithmetic number, because the mean of its divisors is an integer number (721870219700).

Almost surely, 2^{12339561122340} is an apocalyptic number.

12339561122340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12339561122340 is an abundant number, since it is smaller than the sum of its proper divisors (22310209423260).

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

12339561122340 is a wasteful number, since it uses less digits than its factorization.

12339561122340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589282172 (or 589282170 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 12339561122340 in words is "twelve trillion, three hundred thirty-nine billion, five hundred sixty-one million, one hundred twenty-two thousand, three hundred forty".