1012044340442 has 24 divisors (see below), whose sum is σ = 1645614529236. Its totient is φ = 465180406656.

The previous prime is 1012044340441. The next prime is 1012044340451. The reversal of 1012044340442 is 2440434402101.

It can be written as a sum of positive squares in 2 ways, for example, as 1010967909961 + 1076430481 = 1005469^2 + 32809^2 .

It is not an unprimeable number, because it can be changed into a prime (1012044340441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7986353 + ... + 8112084.

Almost surely, 2^{1012044340442} is an apocalyptic number.

1012044340442 is a deficient number, since it is larger than the sum of its proper divisors (633570188794).

1012044340442 is a wasteful number, since it uses less digits than its factorization.

1012044340442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16098542 (or 16098499 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 1012044340442 its reverse (2440434402101), we get a palindrome (3452478742543).

The spelling of 1012044340442 in words is "one trillion, twelve billion, forty-four million, three hundred forty thousand, four hundred forty-two".