12212210101211 has 8 divisors (see below), whose sum is σ = 12229047561744. Its totient is φ = 12195381076480.

The previous prime is 12212210101183. The next prime is 12212210101243. The reversal of 12212210101211 is 11210101221221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12212210101211 is a prime.

It is a super-2 number, since 2×12212210101211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12212210101211.

It is not an unprimeable number, because it can be changed into a prime (12212210101291) 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, 791120 + ... + 5005026.

It is an arithmetic number, because the mean of its divisors is an integer number (1528630945218).

Almost surely, 2^{12212210101211} is an apocalyptic number.

12212210101211 is a deficient number, since it is larger than the sum of its proper divisors (16837460533).

12212210101211 is an equidigital number, since it uses as much as digits as its factorization.

12212210101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4217901.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12212210101211 its reverse (11210101221221), we get a palindrome (23422311322432).

The spelling of 12212210101211 in words is "twelve trillion, two hundred twelve billion, two hundred ten million, one hundred one thousand, two hundred eleven".