12201012202212 has 36 divisors (see below), whose sum is σ = 31146808386876. Its totient is φ = 4026736699200.

The previous prime is 12201012202201. The next prime is 12201012202319. The reversal of 12201012202212 is 21220221010221.

It is a happy number.

12201012202212 is a `hidden beast` number, since 1 + 220 + 1 + 0 + 1 + 220 + 221 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5415226860096 + 6785785342116 = 2327064^2 + 2604954^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×12201012202212² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1677803323 + ... + 1677810594.

Almost surely, 2^{12201012202212} is an apocalyptic number.

12201012202212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12201012202212 is an abundant number, since it is smaller than the sum of its proper divisors (18945796184664).

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

12201012202212 is a wasteful number, since it uses less digits than its factorization.

12201012202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3355614028 (or 3355614023 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12201012202212 its reverse (21220221010221), we get a palindrome (33421233212433).

The spelling of 12201012202212 in words is "twelve trillion, two hundred one billion, twelve million, two hundred two thousand, two hundred twelve".