12021322267 has 2 divisors, whose sum is σ = 12021322268. Its totient is φ = 12021322266.

The previous prime is 12021322223. The next prime is 12021322283. The reversal of 12021322267 is 76222312021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12021322267 - 2³¹ = 9873838619 is a prime.

It is a super-3 number, since 3×12021322267³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (12021322297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010661133 + 6010661134.

It is an arithmetic number, because the mean of its divisors is an integer number (6010661134).

Almost surely, 2^12021322267 is an apocalyptic number.

12021322267 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021322267 is an equidigital number, since it uses as much as digits as its factorization.

12021322267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 12021322267 its reverse (76222312021), we get a palindrome (88243634288).

The spelling of 12021322267 in words is "twelve billion, twenty-one million, three hundred twenty-two thousand, two hundred sixty-seven".