121323323230213 has 16 divisors (see below), whose sum is σ = 132005124377280. Its totient is φ = 110837172466944.

The previous prime is 121323323230163. The next prime is 121323323230217. The reversal of 121323323230213 is 312032323323121.

It is a cyclic number.

It is not a de Polignac number, because 121323323230213 - 2²⁹ = 121322786359301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121323323230217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59457183 + ... + 61463836.

It is an arithmetic number, because the mean of its divisors is an integer number (8250320273580).

Almost surely, 2^{121323323230213} is an apocalyptic number.

121323323230213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121323323230213 is a deficient number, since it is larger than the sum of its proper divisors (10681801147067).

121323323230213 is a wasteful number, since it uses less digits than its factorization.

121323323230213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120921828.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 121323323230213 its reverse (312032323323121), we get a palindrome (433355646553334).

The spelling of 121323323230213 in words is "one hundred twenty-one trillion, three hundred twenty-three billion, three hundred twenty-three million, two hundred thirty thousand, two hundred thirteen".