12222021221201 has 32 divisors (see below), whose sum is σ = 13944771219456. Its totient is φ = 10611363960000.

The previous prime is 12222021221191. The next prime is 12222021221269. The reversal of 12222021221201 is 10212212022221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12222021221201 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12222021221401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9995426 + ... + 11151348.

It is an arithmetic number, because the mean of its divisors is an integer number (435774100608).

Almost surely, 2^{12222021221201} is an apocalyptic number.

12222021221201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12222021221201 is a deficient number, since it is larger than the sum of its proper divisors (1722749998255).

12222021221201 is a wasteful number, since it uses less digits than its factorization.

12222021221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156373.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12222021221201 its reverse (10212212022221), we get a palindrome (22434233243422).

The spelling of 12222021221201 in words is "twelve trillion, two hundred twenty-two billion, twenty-one million, two hundred twenty-one thousand, two hundred one".