12212201022201 has 16 divisors (see below), whose sum is σ = 18183987993600. Its totient is φ = 8100140099184.

The previous prime is 12212201022191. The next prime is 12212201022311. The reversal of 12212201022201 is 10222010221221.

It is a happy number.

12212201022201 is a `hidden beast` number, since 1 + 221 + 220 + 1 + 0 + 2 + 220 + 1 = 666.

It is not a de Polignac number, because 12212201022201 - 2⁵ = 12212201022169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12212201822201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1147973721 + ... + 1147984358.

It is an arithmetic number, because the mean of its divisors is an integer number (1136499249600).

Almost surely, 2^{12212201022201} is an apocalyptic number.

It is an amenable number.

12212201022201 is a deficient number, since it is larger than the sum of its proper divisors (5971786971399).

12212201022201 is a wasteful number, since it uses less digits than its factorization.

12212201022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295958285 (or 2295958279 counting only the distinct ones).

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

Adding to 12212201022201 its reverse (10222010221221), we get a palindrome (22434211243422).

The spelling of 12212201022201 in words is "twelve trillion, two hundred twelve billion, two hundred one million, twenty-two thousand, two hundred one".