12331222211 has 48 divisors (see below), whose sum is σ = 16077684480. Its totient is φ = 9187032960.

The previous prime is 12331222151. The next prime is 12331222217. The reversal of 12331222211 is 11222213321.

It is not a de Polignac number, because 12331222211 - 2²² = 12327027907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12331222217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7057640 + ... + 7059386.

It is an arithmetic number, because the mean of its divisors is an integer number (334951760).

Almost surely, 2^12331222211 is an apocalyptic number.

12331222211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12331222211 is a deficient number, since it is larger than the sum of its proper divisors (3746462269).

12331222211 is a wasteful number, since it uses less digits than its factorization.

12331222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932 (or 1903 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

Adding to 12331222211 its reverse (11222213321), we get a palindrome (23553435532).

The spelling of 12331222211 in words is "twelve billion, three hundred thirty-one million, two hundred twenty-two thousand, two hundred eleven".