12212103331 has 2 divisors, whose sum is σ = 12212103332. Its totient is φ = 12212103330.

The previous prime is 12212103313. The next prime is 12212103341. The reversal of 12212103331 is 13330121221.

Together with previous prime (12212103313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (13330121221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12212103331 - 2²³ = 12203714723 is a prime.

It is a super-2 number, since 2×12212103331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12212103299 and 12212103308.

It is not a weakly prime, because it can be changed into another prime (12212103311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106051665 + 6106051666.

It is an arithmetic number, because the mean of its divisors is an integer number (6106051666).

Almost surely, 2^12212103331 is an apocalyptic number.

12212103331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212103331 is an equidigital number, since it uses as much as digits as its factorization.

12212103331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12212103331 its reverse (13330121221), we get a palindrome (25542224552).

The spelling of 12212103331 in words is "twelve billion, two hundred twelve million, one hundred three thousand, three hundred thirty-one".