12022003211 has 4 divisors (see below), whose sum is σ = 12028886472. Its totient is φ = 12015119952.

The previous prime is 12022003199. The next prime is 12022003243. The reversal of 12022003211 is 11230022021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12022003211 is a prime.

It is a super-2 number, since 2×12022003211² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12022002211) 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, 3439010 + ... + 3442503.

It is an arithmetic number, because the mean of its divisors is an integer number (3007221618).

Almost surely, 2^12022003211 is an apocalyptic number.

12022003211 is a deficient number, since it is larger than the sum of its proper divisors (6883261).

12022003211 is an equidigital number, since it uses as much as digits as its factorization.

12022003211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6883260.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12022003211 its reverse (11230022021), we get a palindrome (23252025232).

The spelling of 12022003211 in words is "twelve billion, twenty-two million, three thousand, two hundred eleven".