12242131143 has 16 divisors (see below), whose sum is σ = 17870118912. Its totient is φ = 7393064000.

The previous prime is 12242131123. The next prime is 12242131157. The reversal of 12242131143 is 34113124221.

It is a cyclic number.

It is not a de Polignac number, because 12242131143 - 2²² = 12237936839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12242131123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 650823 + ... + 669368.

It is an arithmetic number, because the mean of its divisors is an integer number (1116882432).

Almost surely, 2^12242131143 is an apocalyptic number.

12242131143 is a deficient number, since it is larger than the sum of its proper divisors (5627987769).

12242131143 is a wasteful number, since it uses less digits than its factorization.

12242131143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320486.

The product of its digits is 1152, while the sum is 24.

Adding to 12242131143 its reverse (34113124221), we get a palindrome (46355255364).

The spelling of 12242131143 in words is "twelve billion, two hundred forty-two million, one hundred thirty-one thousand, one hundred forty-three".