2001232201200 has 60 divisors (see below), whose sum is σ = 6410613821688. Its totient is φ = 533661920000.

The previous prime is 2001232201183. The next prime is 2001232201237. The reversal of 2001232201200 is 21022321002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2001232201200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 833845551 + ... + 833847950.

Almost surely, 2^{2001232201200} is an apocalyptic number.

2001232201200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001232201200 is an abundant number, since it is smaller than the sum of its proper divisors (4409381620488).

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

2001232201200 is a wasteful number, since it uses less digits than its factorization.

2001232201200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667693522 (or 1667693511 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 2001232201200 its reverse (21022321002), we get a palindrome (2022254522202).

The spelling of 2001232201200 in words is "two trillion, one billion, two hundred thirty-two million, two hundred one thousand, two hundred".