1232144331142 has 16 divisors (see below), whose sum is σ = 1871662114080. Its totient is φ = 608298420352.

The previous prime is 1232144331133. The next prime is 1232144331149. The reversal of 1232144331142 is 2411334412321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232144331149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10305517 + ... + 10424392.

It is an arithmetic number, because the mean of its divisors is an integer number (116978882130).

Almost surely, 2^{1232144331142} is an apocalyptic number.

1232144331142 is a deficient number, since it is larger than the sum of its proper divisors (639517782938).

1232144331142 is a wasteful number, since it uses less digits than its factorization.

1232144331142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20730287.

The product of its digits is 13824, while the sum is 31.

Adding to 1232144331142 its reverse (2411334412321), we get a palindrome (3643478743463).

The spelling of 1232144331142 in words is "one trillion, two hundred thirty-two billion, one hundred forty-four million, three hundred thirty-one thousand, one hundred forty-two".