12203222121311 has 12 divisors (see below), whose sum is σ = 13463463334968. Its totient is φ = 11051974743264.

The previous prime is 12203222121217. The next prime is 12203222121313. The reversal of 12203222121311 is 11312122230221.

It is not a de Polignac number, because 12203222121311 - 2²² = 12203217927007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203222121313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 681202505 + ... + 681220418.

It is an arithmetic number, because the mean of its divisors is an integer number (1121955277914).

Almost surely, 2^{12203222121311} is an apocalyptic number.

12203222121311 is a deficient number, since it is larger than the sum of its proper divisors (1260241213657).

12203222121311 is a wasteful number, since it uses less digits than its factorization.

12203222121311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362423002 (or 1362422989 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 12203222121311 its reverse (11312122230221), we get a palindrome (23515344351532).

The spelling of 12203222121311 in words is "twelve trillion, two hundred three billion, two hundred twenty-two million, one hundred twenty-one thousand, three hundred eleven".