1012522885444 has 54 divisors (see below), whose sum is σ = 2189587118586. Its totient is φ = 408412569600.

The previous prime is 1012522885441. The next prime is 1012522885483. The reversal of 1012522885444 is 4445882252101.

It can be written as a sum of positive squares in 3 ways, for example, as 213340524544 + 799182360900 = 461888^2 + 893970^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1012522885394 and 1012522885403.

It is not an unprimeable number, because it can be changed into a prime (1012522885441) 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 17 ways as a sum of consecutive naturals, for example, 8880957 + ... + 8994244.

Almost surely, 2^{1012522885444} is an apocalyptic number.

1012522885444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1012522885444 is an abundant number, since it is smaller than the sum of its proper divisors (1177064233142).

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

1012522885444 is a wasteful number, since it uses less digits than its factorization.

1012522885444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17875253 (or 17875227 counting only the distinct ones).

The product of its (nonzero) digits is 819200, while the sum is 46.

The spelling of 1012522885444 in words is "one trillion, twelve billion, five hundred twenty-two million, eight hundred eighty-five thousand, four hundred forty-four".