12342357220 has 24 divisors (see below), whose sum is σ = 25923389184. Its totient is φ = 4936097376.

The previous prime is 12342357199. The next prime is 12342357253. The reversal of 12342357220 is 2275324321.

It is a super-2 number, since 2×12342357220² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74317 + ... + 173803.

It is an arithmetic number, because the mean of its divisors is an integer number (1080141216).

Almost surely, 2^12342357220 is an apocalyptic number.

12342357220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12342357220 is an abundant number, since it is smaller than the sum of its proper divisors (13581031964).

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

12342357220 is a wasteful number, since it uses less digits than its factorization.

12342357220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105699 (or 105697 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The spelling of 12342357220 in words is "twelve billion, three hundred forty-two million, three hundred fifty-seven thousand, two hundred twenty".