1142343131412 has 24 divisors (see below), whose sum is σ = 3046248350656. Its totient is φ = 326383751808.

The previous prime is 1142343131411. The next prime is 1142343131443. The reversal of 1142343131412 is 2141313432411.

It is a super-2 number, since 2×1142343131412² (a number of 25 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1142343131412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142343131411) 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, 6799661413 + ... + 6799661580.

Almost surely, 2^{1142343131412} is an apocalyptic number.

1142343131412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1142343131412 is an abundant number, since it is smaller than the sum of its proper divisors (1903905219244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142343131412 is a wasteful number, since it uses less digits than its factorization.

1142343131412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13599323007 (or 13599323005 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

Adding to 1142343131412 its reverse (2141313432411), we get a palindrome (3283656563823).

The spelling of 1142343131412 in words is "one trillion, one hundred forty-two billion, three hundred forty-three million, one hundred thirty-one thousand, four hundred twelve".