1012552044520 has 64 divisors (see below), whose sum is σ = 2296115553600. Its totient is φ = 401844618240.

The previous prime is 1012552044503. The next prime is 1012552044557. The reversal of 1012552044520 is 254402552101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28839136 + ... + 28874224.

It is an arithmetic number, because the mean of its divisors is an integer number (35876805525).

Almost surely, 2^{1012552044520} is an apocalyptic number.

1012552044520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012552044520 is an abundant number, since it is smaller than the sum of its proper divisors (1283563509080).

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

1012552044520 is a wasteful number, since it uses less digits than its factorization.

1012552044520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40738 (or 40734 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 1012552044520 its reverse (254402552101), we get a palindrome (1266954596621).

The spelling of 1012552044520 in words is "one trillion, twelve billion, five hundred fifty-two million, forty-four thousand, five hundred twenty".