12132013442 has 8 divisors (see below), whose sum is σ = 18541379196. Its totient is φ = 5951553712.

The previous prime is 12132013423. The next prime is 12132013451. The reversal of 12132013442 is 24431023121.

It can be written as a sum of positive squares in 2 ways, for example, as 11863348561 + 268664881 = 108919^2 + 16391^2 .

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

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, 57226373 + ... + 57226584.

Almost surely, 2^12132013442 is an apocalyptic number.

12132013442 is a deficient number, since it is larger than the sum of its proper divisors (6409365754).

12132013442 is a wasteful number, since it uses less digits than its factorization.

12132013442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114453012.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12132013442 its reverse (24431023121), we get a palindrome (36563036563).

The spelling of 12132013442 in words is "twelve billion, one hundred thirty-two million, thirteen thousand, four hundred forty-two".