12212211021201 has 24 divisors (see below), whose sum is σ = 18357401724480. Its totient is φ = 7813663242336.

The previous prime is 12212211021193. The next prime is 12212211021223. The reversal of 12212211021201 is 10212011221221.

12212211021201 is a `hidden beast` number, since 1 + 221 + 221 + 1 + 0 + 21 + 201 = 666.

It is not a de Polignac number, because 12212211021201 - 2³ = 12212211021193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12212211021001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140046475 + ... + 140133648.

It is an arithmetic number, because the mean of its divisors is an integer number (764891738520).

Almost surely, 2^{12212211021201} is an apocalyptic number.

It is an amenable number.

12212211021201 is a deficient number, since it is larger than the sum of its proper divisors (6145190703279).

12212211021201 is a wasteful number, since it uses less digits than its factorization.

12212211021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280180325 (or 280180322 counting only the distinct ones).

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

Adding to 12212211021201 its reverse (10212011221221), we get a palindrome (22424222242422).

It can be divided in two parts, 1221221 and 1021201, that added together give a palindrome (2242422).

The spelling of 12212211021201 in words is "twelve trillion, two hundred twelve billion, two hundred eleven million, twenty-one thousand, two hundred one".