2001231202200 has 48 divisors (see below), whose sum is σ = 6203816728680. Its totient is φ = 533661653760.

The previous prime is 2001231202189. The next prime is 2001231202259. The reversal of 2001231202200 is 22021321002.

It is a happy number.

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 2001231202200.

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, 1667692069 + ... + 1667693268.

Almost surely, 2^{2001231202200} is an apocalyptic number.

2001231202200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001231202200 is an abundant number, since it is smaller than the sum of its proper divisors (4202585526480).

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

2001231202200 is a wasteful number, since it uses less digits than its factorization.

2001231202200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3335385356 (or 3335385347 counting only the distinct ones).

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

Adding to 2001231202200 its reverse (22021321002), we get a palindrome (2023252523202).

The spelling of 2001231202200 in words is "two trillion, one billion, two hundred thirty-one million, two hundred two thousand, two hundred".