12220120211 has 8 divisors (see below), whose sum is σ = 13340406240. Its totient is φ = 11125588032.

The previous prime is 12220120207. The next prime is 12220120223. The reversal of 12220120211 is 11202102221.

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

It is not a de Polignac number, because 12220120211 - 2² = 12220120207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220120261) 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, 6437471 + ... + 6439368.

It is an arithmetic number, because the mean of its divisors is an integer number (1667550780).

Almost surely, 2^12220120211 is an apocalyptic number.

12220120211 is a deficient number, since it is larger than the sum of its proper divisors (1120286029).

12220120211 is a wasteful number, since it uses less digits than its factorization.

12220120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12876925.

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

Adding to 12220120211 its reverse (11202102221), we get a palindrome (23422222432).

The spelling of 12220120211 in words is "twelve billion, two hundred twenty million, one hundred twenty thousand, two hundred eleven".