1200122122223 has 2 divisors, whose sum is σ = 1200122122224. Its totient is φ = 1200122122222.

The previous prime is 1200122122189. The next prime is 1200122122249. The reversal of 1200122122223 is 3222212210021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1200122122223 - 2⁶ = 1200122122159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200122122195 and 1200122122204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200122122273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600061061111 + 600061061112.

It is an arithmetic number, because the mean of its divisors is an integer number (600061061112).

Almost surely, 2^{1200122122223} is an apocalyptic number.

1200122122223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200122122223 is an equidigital number, since it uses as much as digits as its factorization.

1200122122223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1200122122223 its reverse (3222212210021), we get a palindrome (4422334332244).

The spelling of 1200122122223 in words is "one trillion, two hundred billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred twenty-three".