12131374574 has 12 divisors (see below), whose sum is σ = 20001729552. Its totient is φ = 5514261060.

The previous prime is 12131374571. The next prime is 12131374583. The reversal of 12131374574 is 47547313121.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131374571) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25064582 + ... + 25065065.

It is an arithmetic number, because the mean of its divisors is an integer number (1666810796).

Almost surely, 2^12131374574 is an apocalyptic number.

12131374574 is a deficient number, since it is larger than the sum of its proper divisors (7870354978).

12131374574 is a wasteful number, since it uses less digits than its factorization.

12131374574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50129671 (or 50129660 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

Adding to 12131374574 its reverse (47547313121), we get a palindrome (59678687695).

The spelling of 12131374574 in words is "twelve billion, one hundred thirty-one million, three hundred seventy-four thousand, five hundred seventy-four".