12122210211 has 8 divisors (see below), whose sum is σ = 16599783504. Its totient is φ = 7863055200.

The previous prime is 12122210153. The next prime is 12122210339. The reversal of 12122210211 is 11201222121.

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

It is not a de Polignac number, because 12122210211 - 2³³ = 3532275619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12122210011) 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, 54604440 + ... + 54604661.

It is an arithmetic number, because the mean of its divisors is an integer number (2074972938).

Almost surely, 2^12122210211 is an apocalyptic number.

12122210211 is a deficient number, since it is larger than the sum of its proper divisors (4477573293).

12122210211 is a wasteful number, since it uses less digits than its factorization.

12122210211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109209141.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12122210211 its reverse (11201222121), we get a palindrome (23323432332).

The spelling of 12122210211 in words is "twelve billion, one hundred twenty-two million, two hundred ten thousand, two hundred eleven".