12212212201201 has 4 divisors (see below), whose sum is σ = 12606154530304. Its totient is φ = 11818269872100.

The previous prime is 12212212201199. The next prime is 12212212201207. The reversal of 12212212201201 is 10210221221221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12212212201201 - 2¹ = 12212212201199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212212201207) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 196971164505 + ... + 196971164566.

It is an arithmetic number, because the mean of its divisors is an integer number (3151538632576).

Almost surely, 2^{12212212201201} is an apocalyptic number.

It is an amenable number.

12212212201201 is a deficient number, since it is larger than the sum of its proper divisors (393942329103).

12212212201201 is an equidigital number, since it uses as much as digits as its factorization.

12212212201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393942329102.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12212212201201 its reverse (10210221221221), we get a palindrome (22422433422422).

The spelling of 12212212201201 in words is "twelve trillion, two hundred twelve billion, two hundred twelve million, two hundred one thousand, two hundred one".