12213103331 has 16 divisors (see below), whose sum is σ = 15192279648. Its totient is φ = 9645888000.

The previous prime is 12213103303. The next prime is 12213103379. The reversal of 12213103331 is 13330131221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12213103331 is a prime.

It is a super-2 number, since 2×12213103331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12213103381) 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, 2509520 + ... + 2514381.

It is an arithmetic number, because the mean of its divisors is an integer number (949517478).

Almost surely, 2^12213103331 is an apocalyptic number.

12213103331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12213103331 is a deficient number, since it is larger than the sum of its proper divisors (2979176317).

12213103331 is a wasteful number, since it uses less digits than its factorization.

12213103331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5023942.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12213103331 its reverse (13330131221), we get a palindrome (25543234552).

The spelling of 12213103331 in words is "twelve billion, two hundred thirteen million, one hundred three thousand, three hundred thirty-one".