12213022311 has 12 divisors (see below), whose sum is σ = 20161179792. Its totient is φ = 6978869856.

The previous prime is 12213022303. The next prime is 12213022321. The reversal of 12213022311 is 11322031221.

It is not a de Polignac number, because 12213022311 - 2³ = 12213022303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213022321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96928686 + ... + 96928811.

It is an arithmetic number, because the mean of its divisors is an integer number (1680098316).

Almost surely, 2^12213022311 is an apocalyptic number.

12213022311 is a deficient number, since it is larger than the sum of its proper divisors (7948157481).

12213022311 is a wasteful number, since it uses less digits than its factorization.

12213022311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193857510 (or 193857507 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12213022311 its reverse (11322031221), we get a palindrome (23535053532).

It can be divided in two parts, 122130 and 22311, that added together give a palindrome (144441).

The spelling of 12213022311 in words is "twelve billion, two hundred thirteen million, twenty-two thousand, three hundred eleven".