12211222201 has 8 divisors (see below), whose sum is σ = 12299180000. Its totient is φ = 12123548640.

The previous prime is 12211222189. The next prime is 12211222211. The reversal of 12211222201 is 10222211221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12211222201 - 2¹⁵ = 12211189433 is a prime.

It is a super-2 number, since 2×12211222201² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12211222211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15550 + ... + 157048.

It is an arithmetic number, because the mean of its divisors is an integer number (1537397500).

Almost surely, 2^12211222201 is an apocalyptic number.

It is an amenable number.

12211222201 is a deficient number, since it is larger than the sum of its proper divisors (87957799).

12211222201 is a wasteful number, since it uses less digits than its factorization.

12211222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142119.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12211222201 its reverse (10222211221), we get a palindrome (22433433422).

The spelling of 12211222201 in words is "twelve billion, two hundred eleven million, two hundred twenty-two thousand, two hundred one".