212210201331 has 12 divisors (see below), whose sum is σ = 308865740040. Its totient is φ = 140393516640.

The previous prime is 212210201317. The next prime is 212210201341. The reversal of 212210201331 is 133102012212.

212210201331 is a `hidden beast` number, since 2 + 122 + 10 + 201 + 331 = 666.

It is not a de Polignac number, because 212210201331 - 2⁶ = 212210201267 is a prime.

It is a super-2 number, since 2×212210201331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212210201341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89994666 + ... + 89997023.

It is an arithmetic number, because the mean of its divisors is an integer number (25738811670).

Almost surely, 2^212210201331 is an apocalyptic number.

212210201331 is a deficient number, since it is larger than the sum of its proper divisors (96655538709).

212210201331 is a wasteful number, since it uses less digits than its factorization.

212210201331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179991826 (or 179991823 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212210201331 its reverse (133102012212), we get a palindrome (345312213543).

The spelling of 212210201331 in words is "two hundred twelve billion, two hundred ten million, two hundred one thousand, three hundred thirty-one".