1222202123123 has 2 divisors, whose sum is σ = 1222202123124. Its totient is φ = 1222202123122.

The previous prime is 1222202123083. The next prime is 1222202123147. The reversal of 1222202123123 is 3213212022221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222202123123 - 2²⁰ = 1222201074547 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222222123123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611101061561 + 611101061562.

It is an arithmetic number, because the mean of its divisors is an integer number (611101061562).

Almost surely, 2^{1222202123123} is an apocalyptic number.

1222202123123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222202123123 is an equidigital number, since it uses as much as digits as its factorization.

1222202123123 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 1222202123123 its reverse (3213212022221), we get a palindrome (4435414145344).

The spelling of 1222202123123 in words is "one trillion, two hundred twenty-two billion, two hundred two million, one hundred twenty-three thousand, one hundred twenty-three".