212033023230121 has 4 divisors (see below), whose sum is σ = 212492964712644. Its totient is φ = 211573081747600.

The previous prime is 212033023230109. The next prime is 212033023230137. The reversal of 212033023230121 is 121032320330212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 129552769515625 + 82480253714496 = 11382125^2 + 9081864^2 .

It is a cyclic number.

It is not a de Polignac number, because 212033023230121 - 2⁴¹ = 209833999974569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212033023230421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229970740570 + ... + 229970741491.

It is an arithmetic number, because the mean of its divisors is an integer number (53123241178161).

Almost surely, 2^{212033023230121} is an apocalyptic number.

It is an amenable number.

212033023230121 is a deficient number, since it is larger than the sum of its proper divisors (459941482523).

212033023230121 is an equidigital number, since it uses as much as digits as its factorization.

212033023230121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459941482522.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 212033023230121 its reverse (121032320330212), we get a palindrome (333065343560333).

The spelling of 212033023230121 in words is "two hundred twelve trillion, thirty-three billion, twenty-three million, two hundred thirty thousand, one hundred twenty-one".