1005143241252 has 24 divisors (see below), whose sum is σ = 2345892627232. Its totient is φ = 334967976000.

The previous prime is 1005143241227. The next prime is 1005143241253. The reversal of 1005143241252 is 2521423415001.

It is not an unprimeable number, because it can be changed into a prime (1005143241253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9918874 + ... + 10019697.

Almost surely, 2^{1005143241252} is an apocalyptic number.

1005143241252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1005143241252 is an abundant number, since it is smaller than the sum of its proper divisors (1340749385980).

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

1005143241252 is a wasteful number, since it uses less digits than its factorization.

1005143241252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19942779 (or 19942777 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 1005143241252 its reverse (2521423415001), we get a palindrome (3526566656253).

The spelling of 1005143241252 in words is "one trillion, five billion, one hundred forty-three million, two hundred forty-one thousand, two hundred fifty-two".