212230012331 has 6 divisors (see below), whose sum is σ = 223987908132. Its totient is φ = 201060011340.

The previous prime is 212230012303. The next prime is 212230012363. The reversal of 212230012331 is 133210032212.

It is not a de Polignac number, because 212230012331 - 2³⁴ = 195050143147 is a prime.

It is a super-2 number, since 2×212230012331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212230002331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 293947025 + ... + 293947746.

It is an arithmetic number, because the mean of its divisors is an integer number (37331318022).

Almost surely, 2^212230012331 is an apocalyptic number.

212230012331 is a deficient number, since it is larger than the sum of its proper divisors (11757895801).

212230012331 is an equidigital number, since it uses as much as digits as its factorization.

212230012331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587894809 (or 587894790 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 212230012331 its reverse (133210032212), we get a palindrome (345440044543).

The spelling of 212230012331 in words is "two hundred twelve billion, two hundred thirty million, twelve thousand, three hundred thirty-one".