1142342242132 has 96 divisors (see below), whose sum is σ = 2473124838912. Its totient is φ = 449587224576.

The previous prime is 1142342242051. The next prime is 1142342242141. The reversal of 1142342242132 is 2312422432411.

It is a junction number, because it is equal to n+sod(n) for n = 1142342242094 and 1142342242103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110504868 + ... + 110515204.

It is an arithmetic number, because the mean of its divisors is an integer number (25761717072).

Almost surely, 2^{1142342242132} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142342242132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1236562419456).

1142342242132 is an abundant number, since it is smaller than the sum of its proper divisors (1330782596780).

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

1142342242132 is a wasteful number, since it uses less digits than its factorization.

1142342242132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11897 (or 11895 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

Adding to 1142342242132 its reverse (2312422432411), we get a palindrome (3454764674543).

The spelling of 1142342242132 in words is "one trillion, one hundred forty-two billion, three hundred forty-two million, two hundred forty-two thousand, one hundred thirty-two".