12212022211 has 8 divisors (see below), whose sum is σ = 12338331264. Its totient is φ = 12085819200.

The previous prime is 12212022203. The next prime is 12212022257. The reversal of 12212022211 is 11222021221.

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 12212022211 - 2³ = 12212022203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212020211) 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, 216430 + ... + 266956.

It is an arithmetic number, because the mean of its divisors is an integer number (1542291408).

Almost surely, 2^12212022211 is an apocalyptic number.

12212022211 is a deficient number, since it is larger than the sum of its proper divisors (126309053).

12212022211 is a wasteful number, since it uses less digits than its factorization.

12212022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53021.

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

Adding to 12212022211 its reverse (11222021221), we get a palindrome (23434043432).

The spelling of 12212022211 in words is "twelve billion, two hundred twelve million, twenty-two thousand, two hundred eleven".