212202330231 has 16 divisors (see below), whose sum is σ = 289852819200. Its totient is φ = 138010399680.

The previous prime is 212202330217. The next prime is 212202330239. The reversal of 212202330231 is 132033202212.

It is a happy number.

It is not a de Polignac number, because 212202330231 - 2¹³ = 212202322039 is a prime.

It is a super-2 number, since 2×212202330231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212202330198 and 212202330207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212202330239) 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, 3177126 + ... + 3243228.

It is an arithmetic number, because the mean of its divisors is an integer number (18115801200).

Almost surely, 2^212202330231 is an apocalyptic number.

212202330231 is a deficient number, since it is larger than the sum of its proper divisors (77650488969).

212202330231 is a wasteful number, since it uses less digits than its factorization.

212202330231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92246.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 212202330231 its reverse (132033202212), we get a palindrome (344235532443).

The spelling of 212202330231 in words is "two hundred twelve billion, two hundred two million, three hundred thirty thousand, two hundred thirty-one".