1142240431412 has 6 divisors (see below), whose sum is σ = 1998920754978. Its totient is φ = 571120215704.

The previous prime is 1142240431361. The next prime is 1142240431429. The reversal of 1142240431412 is 2141340422411.

It can be written as a sum of positive squares in only one way, i.e., 602418136336 + 539822295076 = 776156^2 + 734726^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142780053923 + ... + 142780053930.

It is an arithmetic number, because the mean of its divisors is an integer number (333153459163).

Almost surely, 2^{1142240431412} is an apocalyptic number.

It is an amenable number.

1142240431412 is a deficient number, since it is larger than the sum of its proper divisors (856680323566).

1142240431412 is a wasteful number, since it uses less digits than its factorization.

1142240431412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285560107857 (or 285560107855 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 1142240431412 its reverse (2141340422411), we get a palindrome (3283580853823).

Subtracting 1142240431412 from its reverse (2141340422411), we obtain a palindrome (999099990999).

The spelling of 1142240431412 in words is "one trillion, one hundred forty-two billion, two hundred forty million, four hundred thirty-one thousand, four hundred twelve".