1001221200232 has 32 divisors (see below), whose sum is σ = 2114015443200. Its totient is φ = 440419881600.

The previous prime is 1001221200157. The next prime is 1001221200289. The reversal of 1001221200232 is 2320021221001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183505557 + ... + 183511012.

It is an arithmetic number, because the mean of its divisors is an integer number (66062982600).

Almost surely, 2^{1001221200232} is an apocalyptic number.

It is an amenable number.

1001221200232 is an abundant number, since it is smaller than the sum of its proper divisors (1112794242968).

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

1001221200232 is a wasteful number, since it uses less digits than its factorization.

1001221200232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367016617 (or 367016613 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1001221200232 its reverse (2320021221001), we get a palindrome (3321242421233).

The spelling of 1001221200232 in words is "one trillion, one billion, two hundred twenty-one million, two hundred thousand, two hundred thirty-two".