12342124220 has 48 divisors (see below), whose sum is σ = 26577736416. Its totient is φ = 4811520000.

The previous prime is 12342124211. The next prime is 12342124229. The reversal of 12342124220 is 2242124321.

It is an interprime number because it is at equal distance from previous prime (12342124211) and next prime (12342124229).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12342124229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 854660 + ... + 868980.

It is an arithmetic number, because the mean of its divisors is an integer number (553702842).

Almost surely, 2^12342124220 is an apocalyptic number.

12342124220 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 12342124220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13288868208).

12342124220 is an abundant number, since it is smaller than the sum of its proper divisors (14235612196).

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

12342124220 is a wasteful number, since it uses less digits than its factorization.

12342124220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15422 (or 15420 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12342124220 its reverse (2242124321), we get a palindrome (14584248541).

The spelling of 12342124220 in words is "twelve billion, three hundred forty-two million, one hundred twenty-four thousand, two hundred twenty".