212132122333201 has 4 divisors (see below), whose sum is σ = 242436711237952. Its totient is φ = 181827533428452.

The previous prime is 212132122333193. The next prime is 212132122333213. The reversal of 212132122333201 is 102333221231212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212132122333201 - 2³ = 212132122333193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212132122333201.

It is not an unprimeable number, because it can be changed into a prime (212132122333601) 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, 15152294452365 + ... + 15152294452378.

It is an arithmetic number, because the mean of its divisors is an integer number (60609177809488).

Almost surely, 2^{212132122333201} is an apocalyptic number.

It is an amenable number.

212132122333201 is a deficient number, since it is larger than the sum of its proper divisors (30304588904751).

212132122333201 is an equidigital number, since it uses as much as digits as its factorization.

212132122333201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30304588904750.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 212132122333201 its reverse (102333221231212), we get a palindrome (314465343564413).

The spelling of 212132122333201 in words is "two hundred twelve trillion, one hundred thirty-two billion, one hundred twenty-two million, three hundred thirty-three thousand, two hundred one".