12212202212200 has 24 divisors (see below), whose sum is σ = 28393370143830. Its totient is φ = 4884880884800.

The previous prime is 12212202212183. The next prime is 12212202212227. The reversal of 12212202212200 is 221220221221.

It can be written as a sum of positive squares in 3 ways, for example, as 8015251778884 + 4196950433316 = 2831122^2 + 2048646^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30530505331 + ... + 30530505730.

Almost surely, 2^{12212202212200} is an apocalyptic number.

12212202212200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212202212200 is an abundant number, since it is smaller than the sum of its proper divisors (16181167931630).

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

12212202212200 is a wasteful number, since it uses less digits than its factorization.

12212202212200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61061011077 (or 61061011068 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12212202212200 its reverse (221220221221), we get a palindrome (12433422433421).

The spelling of 12212202212200 in words is "twelve trillion, two hundred twelve billion, two hundred two million, two hundred twelve thousand, two hundred".