1202210120123 has 2 divisors, whose sum is σ = 1202210120124. Its totient is φ = 1202210120122.

The previous prime is 1202210120119. The next prime is 1202210120179. The reversal of 1202210120123 is 3210210122021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1202210120123 - 2² = 1202210120119 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1202210129123) 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, 601105060061 + 601105060062.

It is an arithmetic number, because the mean of its divisors is an integer number (601105060062).

Almost surely, 2^{1202210120123} is an apocalyptic number.

1202210120123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202210120123 is an equidigital number, since it uses as much as digits as its factorization.

1202210120123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1202210120123 its reverse (3210210122021), we get a palindrome (4412420242144).

The spelling of 1202210120123 in words is "one trillion, two hundred two billion, two hundred ten million, one hundred twenty thousand, one hundred twenty-three".