1222352031401 has 2 divisors, whose sum is σ = 1222352031402. Its totient is φ = 1222352031400.

The previous prime is 1222352031253. The next prime is 1222352031437. The reversal of 1222352031401 is 1041302532221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 832201887001 + 390150144400 = 912251^2 + 624620^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222352031401 - 2¹⁸ = 1222351769257 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222352030401) 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, 611176015700 + 611176015701.

It is an arithmetic number, because the mean of its divisors is an integer number (611176015701).

Almost surely, 2^{1222352031401} is an apocalyptic number.

It is an amenable number.

1222352031401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222352031401 is an equidigital number, since it uses as much as digits as its factorization.

1222352031401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1222352031401 its reverse (1041302532221), we get a palindrome (2263654563622).

The spelling of 1222352031401 in words is "one trillion, two hundred twenty-two billion, three hundred fifty-two million, thirty-one thousand, four hundred one".