12342373136 has 20 divisors (see below), whose sum is σ = 23941213200. Its totient is φ = 6163995552.

The previous prime is 12342373123. The next prime is 12342373189. The reversal of 12342373136 is 63137324321.

It is a junction number, because it is equal to n+sod(n) for n = 12342373096 and 12342373105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435266 + ... + 462753.

It is an arithmetic number, because the mean of its divisors is an integer number (1197060660).

Almost surely, 2^12342373136 is an apocalyptic number.

12342373136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12342373136 is a deficient number, since it is larger than the sum of its proper divisors (11598840064).

12342373136 is an equidigital number, since it uses as much as digits as its factorization.

12342373136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898886 (or 898880 counting only the distinct ones).

The product of its digits is 54432, while the sum is 35.

Adding to 12342373136 its reverse (63137324321), we get a palindrome (75479697457).

The spelling of 12342373136 in words is "twelve billion, three hundred forty-two million, three hundred seventy-three thousand, one hundred thirty-six".