12212000222100 has 72 divisors (see below), whose sum is σ = 40381014074688. Its totient is φ = 2791314336000.

The previous prime is 12212000222069. The next prime is 12212000222117. The reversal of 12212000222100 is 122200021221.

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 12212000222100.

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, 2907617001 + ... + 2907621200.

It is an arithmetic number, because the mean of its divisors is an integer number (560847417704).

Almost surely, 2^{12212000222100} is an apocalyptic number.

12212000222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212000222100 is an abundant number, since it is smaller than the sum of its proper divisors (28169013852588).

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

12212000222100 is a wasteful number, since it uses less digits than its factorization.

12212000222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5815238225 (or 5815238218 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12212000222100 its reverse (122200021221), we get a palindrome (12334200243321).

The spelling of 12212000222100 in words is "twelve trillion, two hundred twelve billion, two hundred twenty-two thousand, one hundred".