1200001002032 has 60 divisors (see below), whose sum is σ = 2704733555616. Its totient is φ = 514259625600.

The previous prime is 1200001001999. The next prime is 1200001002059. The reversal of 1200001002032 is 2302001000021.

It is a happy number.

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 11 ways as a sum of consecutive naturals, for example, 26869673 + ... + 26914295.

Almost surely, 2^{1200001002032} is an apocalyptic number.

It is an amenable number.

1200001002032 is an abundant number, since it is smaller than the sum of its proper divisors (1504732553584).

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

1200001002032 is a wasteful number, since it uses less digits than its factorization.

1200001002032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78946 (or 78933 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 1200001002032 its reverse (2302001000021), we get a palindrome (3502002002053).

The spelling of 1200001002032 in words is "one trillion, two hundred billion, one million, two thousand, thirty-two".