212123323030201 has 64 divisors (see below), whose sum is σ = 241553572968960. Its totient is φ = 184511916288000.

The previous prime is 212123323030127. The next prime is 212123323030207. The reversal of 212123323030201 is 102030323321212.

It is not a de Polignac number, because 212123323030201 - 2⁹ = 212123323029689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212123323030207) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54656870781 + ... + 54656874661.

It is an arithmetic number, because the mean of its divisors is an integer number (3774274577640).

Almost surely, 2^{212123323030201} is an apocalyptic number.

It is an amenable number.

212123323030201 is a deficient number, since it is larger than the sum of its proper divisors (29430249938759).

212123323030201 is a wasteful number, since it uses less digits than its factorization.

212123323030201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6946.

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

Adding to 212123323030201 its reverse (102030323321212), we get a palindrome (314153646351413).

The spelling of 212123323030201 in words is "two hundred twelve trillion, one hundred twenty-three billion, three hundred twenty-three million, thirty thousand, two hundred one".