12131323342 has 8 divisors (see below), whose sum is σ = 18249426936. Its totient is φ = 6048181032.

The previous prime is 12131323327. The next prime is 12131323349. The reversal of 12131323342 is 24332313121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131323349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8739453 + ... + 8740840.

It is an arithmetic number, because the mean of its divisors is an integer number (2281178367).

Almost surely, 2^12131323342 is an apocalyptic number.

12131323342 is a deficient number, since it is larger than the sum of its proper divisors (6118103594).

12131323342 is a wasteful number, since it uses less digits than its factorization.

12131323342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17480642.

The product of its digits is 2592, while the sum is 25.

Adding to 12131323342 its reverse (24332313121), we get a palindrome (36463636463).

The spelling of 12131323342 in words is "twelve billion, one hundred thirty-one million, three hundred twenty-three thousand, three hundred forty-two".