12212221110201 has 48 divisors (see below), whose sum is σ = 21091072092480. Its totient is φ = 6963468644160.

The previous prime is 12212221110197. The next prime is 12212221110227. The reversal of 12212221110201 is 10201112221221.

12212221110201 is a `hidden beast` number, since 1 + 221 + 22 + 211 + 10 + 201 = 666.

It is not a de Polignac number, because 12212221110201 - 2² = 12212221110197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12212221110241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9265140 + ... + 10500821.

It is an arithmetic number, because the mean of its divisors is an integer number (439397335260).

Almost surely, 2^{12212221110201} is an apocalyptic number.

It is an amenable number.

12212221110201 is a deficient number, since it is larger than the sum of its proper divisors (8878850982279).

12212221110201 is a wasteful number, since it uses less digits than its factorization.

12212221110201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19766451 (or 19766438 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12212221110201 its reverse (10201112221221), we get a palindrome (22413333331422).

The spelling of 12212221110201 in words is "twelve trillion, two hundred twelve billion, two hundred twenty-one million, one hundred ten thousand, two hundred one".