12213201101211 has 72 divisors (see below), whose sum is σ = 20066078803680. Its totient is φ = 7144353216000.

The previous prime is 12213201101209. The next prime is 12213201101279. The reversal of 12213201101211 is 11210110231221.

It is a happy number.

12213201101211 is a `hidden beast` number, since 1 + 2 + 21 + 320 + 110 + 1 + 211 = 666.

It is not a de Polignac number, because 12213201101211 - 2¹ = 12213201101209 is a prime.

It is a super-2 number, since 2×12213201101211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12213201101291) 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 71 ways as a sum of consecutive naturals, for example, 98502346 + ... + 98626256.

It is an arithmetic number, because the mean of its divisors is an integer number (278695538940).

Almost surely, 2^{12213201101211} is an apocalyptic number.

12213201101211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12213201101211 is a deficient number, since it is larger than the sum of its proper divisors (7852877702469).

12213201101211 is a wasteful number, since it uses less digits than its factorization.

12213201101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127089 (or 127075 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 12213201101211 its reverse (11210110231221), we get a palindrome (23423311332432).

The spelling of 12213201101211 in words is "twelve trillion, two hundred thirteen billion, two hundred one million, one hundred one thousand, two hundred eleven".