1212322122227 has 2 divisors, whose sum is σ = 1212322122228. Its totient is φ = 1212322122226.

The previous prime is 1212322122217. The next prime is 1212322122233. The reversal of 1212322122227 is 7222212232121.

It is a strong prime.

It is an emirp because it is prime and its reverse (7222212232121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1212322122227 - 2⁶ = 1212322122163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1212322122227.

It is not a weakly prime, because it can be changed into another prime (1212322122217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606161061113 + 606161061114.

It is an arithmetic number, because the mean of its divisors is an integer number (606161061114).

Almost surely, 2^{1212322122227} is an apocalyptic number.

1212322122227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212322122227 is an equidigital number, since it uses as much as digits as its factorization.

1212322122227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 29.

Adding to 1212322122227 its reverse (7222212232121), we get a palindrome (8434534354348).

The spelling of 1212322122227 in words is "one trillion, two hundred twelve billion, three hundred twenty-two million, one hundred twenty-two thousand, two hundred twenty-seven".