1222221012323 has 2 divisors, whose sum is σ = 1222221012324. Its totient is φ = 1222221012322.

The previous prime is 1222221012293. The next prime is 1222221012343. The reversal of 1222221012323 is 3232101222221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222221012323 - 2³⁴ = 1205041143139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222221012343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611110506161 + 611110506162.

It is an arithmetic number, because the mean of its divisors is an integer number (611110506162).

Almost surely, 2^{1222221012323} is an apocalyptic number.

1222221012323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222221012323 is an equidigital number, since it uses as much as digits as its factorization.

1222221012323 is an evil number, because the sum of its binary digits is even.

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

Adding to 1222221012323 its reverse (3232101222221), we get a palindrome (4454322234544).

The spelling of 1222221012323 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-one million, twelve thousand, three hundred twenty-three".