121210212023 has 2 divisors, whose sum is σ = 121210212024. Its totient is φ = 121210212022.

The previous prime is 121210211971. The next prime is 121210212043. The reversal of 121210212023 is 320212012121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121210212023 - 2²² = 121206017719 is a prime.

It is a super-2 number, since 2×121210212023² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 121210211992 and 121210212010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121210212043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60605106011 + 60605106012.

It is an arithmetic number, because the mean of its divisors is an integer number (60605106012).

Almost surely, 2^121210212023 is an apocalyptic number.

121210212023 is a deficient number, since it is larger than the sum of its proper divisors (1).

121210212023 is an equidigital number, since it uses as much as digits as its factorization.

121210212023 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 121210212023 its reverse (320212012121), we get a palindrome (441422224144).

The spelling of 121210212023 in words is "one hundred twenty-one billion, two hundred ten million, two hundred twelve thousand, twenty-three".