2001222200232 has 48 divisors (see below), whose sum is σ = 5444281664640. Its totient is φ = 664082697888.

The previous prime is 2001222200231. The next prime is 2001222200249. The reversal of 2001222200232 is 2320022221002.

2001222200232 is a `hidden beast` number, since 200 + 12 + 2 + 220 + 0 + 232 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2001222200231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62304018 + ... + 62336129.

It is an arithmetic number, because the mean of its divisors is an integer number (113422534680).

Almost surely, 2^{2001222200232} is an apocalyptic number.

It is an amenable number.

2001222200232 is an abundant number, since it is smaller than the sum of its proper divisors (3443059464408).

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

2001222200232 is a wasteful number, since it uses less digits than its factorization.

2001222200232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124640382 (or 124640375 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 2001222200232 its reverse (2320022221002), we get a palindrome (4321244421234).

The spelling of 2001222200232 in words is "two trillion, one billion, two hundred twenty-two million, two hundred thousand, two hundred thirty-two".