12202012222100 has 72 divisors (see below), whose sum is σ = 26980660314720. Its totient is φ = 4788234622080.

The previous prime is 12202012222069. The next prime is 12202012222163. The reversal of 12202012222100 is 122221020221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55322639 + ... + 55542761.

It is an arithmetic number, because the mean of its divisors is an integer number (374731393260).

Almost surely, 2^{12202012222100} is an apocalyptic number.

12202012222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12202012222100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13490330157360).

12202012222100 is an abundant number, since it is smaller than the sum of its proper divisors (14778648092620).

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

12202012222100 is a wasteful number, since it uses less digits than its factorization.

12202012222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230649 (or 230642 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12202012222100 its reverse (122221020221), we get a palindrome (12324233242321).

The spelling of 12202012222100 in words is "twelve trillion, two hundred two billion, twelve million, two hundred twenty-two thousand, one hundred".