12200122211 has 4 divisors (see below), whose sum is σ = 12201070632. Its totient is φ = 12199173792.

The previous prime is 12200122177. The next prime is 12200122213. The reversal of 12200122211 is 11222100221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11222100221 = 193 ⋅58145597.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12200122211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12200122213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454646 + ... + 480731.

It is an arithmetic number, because the mean of its divisors is an integer number (3050267658).

Almost surely, 2^12200122211 is an apocalyptic number.

12200122211 is a deficient number, since it is larger than the sum of its proper divisors (948421).

12200122211 is an equidigital number, since it uses as much as digits as its factorization.

12200122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948420.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12200122211 its reverse (11222100221), we get a palindrome (23422222432).

The spelling of 12200122211 in words is "twelve billion, two hundred million, one hundred twenty-two thousand, two hundred eleven".