12133242574 has 4 divisors (see below), whose sum is σ = 18199863864. Its totient is φ = 6066621286.

The previous prime is 12133242557. The next prime is 12133242581. The reversal of 12133242574 is 47524233121.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×12133242574² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3033310642 + ... + 3033310645.

It is an arithmetic number, because the mean of its divisors is an integer number (4549965966).

Almost surely, 2^12133242574 is an apocalyptic number.

12133242574 is a deficient number, since it is larger than the sum of its proper divisors (6066621290).

12133242574 is an equidigital number, since it uses as much as digits as its factorization.

12133242574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6066621289.

The product of its digits is 40320, while the sum is 34.

Adding to 12133242574 its reverse (47524233121), we get a palindrome (59657475695).

The spelling of 12133242574 in words is "twelve billion, one hundred thirty-three million, two hundred forty-two thousand, five hundred seventy-four".