12222121202033 has 2 divisors, whose sum is σ = 12222121202034. Its totient is φ = 12222121202032.

The previous prime is 12222121202009. The next prime is 12222121202131. The reversal of 12222121202033 is 33020212122221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10441732688689 + 1780388513344 = 3231367^2 + 1334312^2 .

It is an emirp because it is prime and its reverse (33020212122221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12222121202033 is a prime.

It is not a weakly prime, because it can be changed into another prime (12222121202003) 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 as a sum of consecutive naturals, namely, 6111060601016 + 6111060601017.

It is an arithmetic number, because the mean of its divisors is an integer number (6111060601017).

Almost surely, 2^{12222121202033} is an apocalyptic number.

It is an amenable number.

12222121202033 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222121202033 is an equidigital number, since it uses as much as digits as its factorization.

12222121202033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12222121202033 its reverse (33020212122221), we get a palindrome (45242333324254).

The spelling of 12222121202033 in words is "twelve trillion, two hundred twenty-two billion, one hundred twenty-one million, two hundred two thousand, thirty-three".