1222423003213 has 2 divisors, whose sum is σ = 1222423003214. Its totient is φ = 1222423003212.

The previous prime is 1222423003199. The next prime is 1222423003229. The reversal of 1222423003213 is 3123003242221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 873847300804 + 348575702409 = 934798^2 + 590403^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222423003213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222423003273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611211501606 + 611211501607.

It is an arithmetic number, because the mean of its divisors is an integer number (611211501607).

Almost surely, 2^{1222423003213} is an apocalyptic number.

It is an amenable number.

1222423003213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222423003213 is an equidigital number, since it uses as much as digits as its factorization.

1222423003213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1222423003213 its reverse (3123003242221), we get a palindrome (4345426245434).

The spelling of 1222423003213 in words is "one trillion, two hundred twenty-two billion, four hundred twenty-three million, three thousand, two hundred thirteen".