1252045412444 has 24 divisors (see below), whose sum is σ = 2232826304688. Its totient is φ = 614099333120.

The previous prime is 1252045412441. The next prime is 1252045412477. The reversal of 1252045412444 is 4442145402521.

It is a junction number, because it is equal to n+sod(n) for n = 1252045412398 and 1252045412407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252045412441) 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, 638684 + ... + 1706460.

It is an arithmetic number, because the mean of its divisors is an integer number (93034429362).

Almost surely, 2^{1252045412444} is an apocalyptic number.

It is an amenable number.

1252045412444 is a deficient number, since it is larger than the sum of its proper divisors (980780892244).

1252045412444 is a wasteful number, since it uses less digits than its factorization.

1252045412444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073365 (or 1073363 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 38.

The spelling of 1252045412444 in words is "one trillion, two hundred fifty-two billion, forty-five million, four hundred twelve thousand, four hundred forty-four".