12222010121100 has 72 divisors (see below), whose sum is σ = 38082530010000. Its totient is φ = 3008494798080.

The previous prime is 12222010121063. The next prime is 12222010121249. The reversal of 12222010121100 is 112101022221.

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 12222010121100.

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, 1566920475 + ... + 1566928274.

Almost surely, 2^{12222010121100} is an apocalyptic number.

12222010121100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12222010121100 is an abundant number, since it is smaller than the sum of its proper divisors (25860519888900).

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

12222010121100 is a wasteful number, since it uses less digits than its factorization.

12222010121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133848779 (or 3133848772 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12222010121100 its reverse (112101022221), we get a palindrome (12334111143321).

The spelling of 12222010121100 in words is "twelve trillion, two hundred twenty-two billion, ten million, one hundred twenty-one thousand, one hundred".