1201123222223 has 2 divisors, whose sum is σ = 1201123222224. Its totient is φ = 1201123222222.

The previous prime is 1201123222199. The next prime is 1201123222339. The reversal of 1201123222223 is 3222223211021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201123222223 - 2¹⁶ = 1201123156687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201123228223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600561611111 + 600561611112.

It is an arithmetic number, because the mean of its divisors is an integer number (600561611112).

Almost surely, 2^{1201123222223} is an apocalyptic number.

1201123222223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201123222223 is an equidigital number, since it uses as much as digits as its factorization.

1201123222223 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 1201123222223 its reverse (3222223211021), we get a palindrome (4423346433244).

The spelling of 1201123222223 in words is "one trillion, two hundred one billion, one hundred twenty-three million, two hundred twenty-two thousand, two hundred twenty-three".