12322340420 has 96 divisors (see below), whose sum is σ = 28212541056. Its totient is φ = 4493721600.

The previous prime is 12322340383. The next prime is 12322340423. The reversal of 12322340420 is 2404322321.

It is not an unprimeable number, because it can be changed into a prime (12322340423) 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, 17832275 + ... + 17832965.

It is an arithmetic number, because the mean of its divisors is an integer number (293880636).

Almost surely, 2^12322340420 is an apocalyptic number.

12322340420 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 12322340420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14106270528).

12322340420 is an abundant number, since it is smaller than the sum of its proper divisors (15890200636).

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

12322340420 is a wasteful number, since it uses less digits than its factorization.

12322340420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461 (or 1459 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 12322340420 its reverse (2404322321), we get a palindrome (14726662741).

The spelling of 12322340420 in words is "twelve billion, three hundred twenty-two million, three hundred forty thousand, four hundred twenty".