12211214331 has 8 divisors (see below), whose sum is σ = 16309077840. Its totient is φ = 8127080192.

The previous prime is 12211214317. The next prime is 12211214369. The reversal of 12211214331 is 13341211221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12211214331 - 2⁷ = 12211214203 is a prime.

It is a super-2 number, since 2×12211214331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12211214298 and 12211214307.

It is not an unprimeable number, because it can be changed into a prime (12211214311) 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 7 ways as a sum of consecutive naturals, for example, 3430266 + ... + 3433823.

It is an arithmetic number, because the mean of its divisors is an integer number (2038634730).

Almost surely, 2^12211214331 is an apocalyptic number.

12211214331 is a deficient number, since it is larger than the sum of its proper divisors (4097863509).

12211214331 is an equidigital number, since it uses as much as digits as its factorization.

12211214331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6864685.

The product of its digits is 288, while the sum is 21.

Adding to 12211214331 its reverse (13341211221), we get a palindrome (25552425552).

The spelling of 12211214331 in words is "twelve billion, two hundred eleven million, two hundred fourteen thousand, three hundred thirty-one".