212431222201 has 16 divisors (see below), whose sum is σ = 239286878208. Its totient is φ = 186836403600.

The previous prime is 212431222193. The next prime is 212431222207. The reversal of 212431222201 is 102222134212.

It is not a de Polignac number, because 212431222201 - 2³ = 212431222193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212431222207) 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, 1134870 + ... + 1308736.

It is an arithmetic number, because the mean of its divisors is an integer number (14955429888).

Almost surely, 2^212431222201 is an apocalyptic number.

It is an amenable number.

212431222201 is a deficient number, since it is larger than the sum of its proper divisors (26855656007).

212431222201 is a wasteful number, since it uses less digits than its factorization.

212431222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177492.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 212431222201 its reverse (102222134212), we get a palindrome (314653356413).

The spelling of 212431222201 in words is "two hundred twelve billion, four hundred thirty-one million, two hundred twenty-two thousand, two hundred one".