12200222011 has 4 divisors (see below), whose sum is σ = 12201211224. Its totient is φ = 12199232800.

The previous prime is 12200222009. The next prime is 12200222039. The reversal of 12200222011 is 11022200221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11022200221 = 5693 ⋅1936097.

It is a cyclic number.

It is not a de Polignac number, because 12200222011 - 2¹ = 12200222009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12200221982 and 12200222000.

It is not an unprimeable number, because it can be changed into a prime (12200222911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 475870 + ... + 500851.

It is an arithmetic number, because the mean of its divisors is an integer number (3050302806).

Almost surely, 2^12200222011 is an apocalyptic number.

12200222011 is a deficient number, since it is larger than the sum of its proper divisors (989213).

12200222011 is an equidigital number, since it uses as much as digits as its factorization.

12200222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989212.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12200222011 its reverse (11022200221), we get a palindrome (23222422232).

The spelling of 12200222011 in words is "twelve billion, two hundred million, two hundred twenty-two thousand, eleven".