12222431033 has 2 divisors, whose sum is σ = 12222431034. Its totient is φ = 12222431032.

The previous prime is 12222431029. The next prime is 12222431051. The reversal of 12222431033 is 33013422221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11318406544 + 904024489 = 106388^2 + 30067^2 .

It is a cyclic number.

It is not a de Polignac number, because 12222431033 - 2² = 12222431029 is a prime.

It is a super-3 number, since 3×12222431033³ (a number of 31 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12222431083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111215516 + 6111215517.

It is an arithmetic number, because the mean of its divisors is an integer number (6111215517).

Almost surely, 2^12222431033 is an apocalyptic number.

It is an amenable number.

12222431033 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222431033 is an equidigital number, since it uses as much as digits as its factorization.

12222431033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12222431033 its reverse (33013422221), we get a palindrome (45235853254).

The spelling of 12222431033 in words is "twelve billion, two hundred twenty-two million, four hundred thirty-one thousand, thirty-three".