231002120002200 has 96 divisors (see below), whose sum is σ = 735460803753360. Its totient is φ = 59935685184000.

The previous prime is 231002120002189. The next prime is 231002120002207. The reversal of 231002120002200 is 2200021200132.

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 231002120002200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231002120002207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5202728251 + ... + 5202772650.

Almost surely, 2^{231002120002200} is an apocalyptic number.

231002120002200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231002120002200 is an abundant number, since it is smaller than the sum of its proper divisors (504458683751160).

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

231002120002200 is a wasteful number, since it uses less digits than its factorization.

231002120002200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10405500957 (or 10405500948 counting only the distinct ones).

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

Adding to 231002120002200 its reverse (2200021200132), we get a palindrome (233202141202332).

The spelling of 231002120002200 in words is "two hundred thirty-one trillion, two billion, one hundred twenty million, two thousand, two hundred".