12211232212213 has 16 divisors (see below), whose sum is σ = 13496584020480. Its totient is φ = 10997216524800.

The previous prime is 12211232212211. The next prime is 12211232212219. The reversal of 12211232212213 is 31221223211221.

It is a cyclic number.

It is not a de Polignac number, because 12211232212213 - 2¹ = 12211232212211 is a prime.

It is a super-2 number, since 2×12211232212213² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211232212211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130128483 + ... + 130222288.

It is an arithmetic number, because the mean of its divisors is an integer number (843536501280).

Almost surely, 2^{12211232212213} is an apocalyptic number.

It is an amenable number.

12211232212213 is a deficient number, since it is larger than the sum of its proper divisors (1285351808267).

12211232212213 is a wasteful number, since it uses less digits than its factorization.

12211232212213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260350908.

The product of its digits is 1152, while the sum is 25.

Adding to 12211232212213 its reverse (31221223211221), we get a palindrome (43432455423434).

The spelling of 12211232212213 in words is "twelve trillion, two hundred eleven billion, two hundred thirty-two million, two hundred twelve thousand, two hundred thirteen".