12221000233073 has 2 divisors, whose sum is σ = 12221000233074. Its totient is φ = 12221000233072.

The previous prime is 12221000233019. The next prime is 12221000233103. The reversal of 12221000233073 is 37033200012221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12206163287824 + 14836945249 = 3493732^2 + 121807^2 .

It is a cyclic number.

It is not a de Polignac number, because 12221000233073 - 2⁸ = 12221000232817 is a prime.

It is not a weakly prime, because it can be changed into another prime (12221000233573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110500116536 + 6110500116537.

It is an arithmetic number, because the mean of its divisors is an integer number (6110500116537).

Almost surely, 2^{12221000233073} is an apocalyptic number.

It is an amenable number.

12221000233073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221000233073 is an equidigital number, since it uses as much as digits as its factorization.

12221000233073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 12221000233073 its reverse (37033200012221), we get a palindrome (49254200245294).

The spelling of 12221000233073 in words is "twelve trillion, two hundred twenty-one billion, two hundred thirty-three thousand, seventy-three".