12212200121100 has 108 divisors (see below), whose sum is σ = 41102776457064. Its totient is φ = 2791360024320.

The previous prime is 12212200121083. The next prime is 12212200121117. The reversal of 12212200121100 is 112100221221.

It is an interprime number because it is at equal distance from previous prime (12212200121083) and next prime (12212200121117).

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 12212200121100.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 415366257 + ... + 415395656.

Almost surely, 2^{12212200121100} is an apocalyptic number.

12212200121100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212200121100 is an abundant number, since it is smaller than the sum of its proper divisors (28890576335964).

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

12212200121100 is a wasteful number, since it uses less digits than its factorization.

12212200121100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830761944 (or 830761930 counting only the distinct ones).

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

Adding to 12212200121100 its reverse (112100221221), we get a palindrome (12324300342321).

The spelling of 12212200121100 in words is "twelve trillion, two hundred twelve billion, two hundred million, one hundred twenty-one thousand, one hundred".