1142044321012 has 96 divisors (see below), whose sum is σ = 2321851392000. Its totient is φ = 481407563520.

The previous prime is 1142044321003. The next prime is 1142044321037. The reversal of 1142044321012 is 2101234402411.

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, 1107704937 + ... + 1107705967.

It is an arithmetic number, because the mean of its divisors is an integer number (24185952000).

Almost surely, 2^{1142044321012} is an apocalyptic number.

It is an amenable number.

1142044321012 is an abundant number, since it is smaller than the sum of its proper divisors (1179807070988).

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

1142044321012 is a wasteful number, since it uses less digits than its factorization.

1142044321012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549 (or 2547 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1142044321012 its reverse (2101234402411), we get a palindrome (3243278723423).

The spelling of 1142044321012 in words is "one trillion, one hundred forty-two billion, forty-four million, three hundred twenty-one thousand, twelve".