1001200253512 has 16 divisors (see below), whose sum is σ = 1877279289840. Its totient is φ = 500592442896.

The previous prime is 1001200253509. The next prime is 1001200253519. The reversal of 1001200253512 is 2153520021001.

1001200253512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1001200253519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386538 + ... + 1466905.

It is an arithmetic number, because the mean of its divisors is an integer number (117329955615).

Almost surely, 2^{1001200253512} is an apocalyptic number.

It is an amenable number.

1001200253512 is a deficient number, since it is larger than the sum of its proper divisors (876079036328).

1001200253512 is a wasteful number, since it uses less digits than its factorization.

1001200253512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920972 (or 1920968 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 1001200253512 its reverse (2153520021001), we get a palindrome (3154720274513).

The spelling of 1001200253512 in words is "one trillion, one billion, two hundred million, two hundred fifty-three thousand, five hundred twelve".