1200732000872 has 16 divisors (see below), whose sum is σ = 2255274369060. Its totient is φ = 599325502464.

The previous prime is 1200732000851. The next prime is 1200732000889. The reversal of 1200732000872 is 2780002370021.

It can be written as a sum of positive squares in 2 ways, for example, as 1020815205316 + 179916795556 = 1010354^2 + 424166^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 130057343 + ... + 130066574.

Almost surely, 2^{1200732000872} is an apocalyptic number.

It is an amenable number.

1200732000872 is a deficient number, since it is larger than the sum of its proper divisors (1054542368188).

1200732000872 is a wasteful number, since it uses less digits than its factorization.

1200732000872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260124500 (or 260124496 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

Adding to 1200732000872 its reverse (2780002370021), we get a palindrome (3980734370893).

The spelling of 1200732000872 in words is "one trillion, two hundred billion, seven hundred thirty-two million, eight hundred seventy-two", and thus it is an aban number.