12213232233011 has 4 divisors (see below), whose sum is σ = 12213314423112. Its totient is φ = 12213150042912.

The previous prime is 12213232232989. The next prime is 12213232233049. The reversal of 12213232233011 is 11033223231221.

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

It is a cyclic number.

It is not a de Polignac number, because 12213232233011 - 2²² = 12213228038707 is a prime.

It is a super-2 number, since 2×12213232233011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12213232233071) 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, 40871750 + ... + 41169483.

It is an arithmetic number, because the mean of its divisors is an integer number (3053328605778).

Almost surely, 2^{12213232233011} is an apocalyptic number.

12213232233011 is a deficient number, since it is larger than the sum of its proper divisors (82190101).

12213232233011 is an equidigital number, since it uses as much as digits as its factorization.

12213232233011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82190100.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 12213232233011 its reverse (11033223231221), we get a palindrome (23246455464232).

The spelling of 12213232233011 in words is "twelve trillion, two hundred thirteen billion, two hundred thirty-two million, two hundred thirty-three thousand, eleven".