212302012331 has 4 divisors (see below), whose sum is σ = 212371236792. Its totient is φ = 212232787872.

The previous prime is 212302012313. The next prime is 212302012357. The reversal of 212302012331 is 133210203212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212302012331 - 2¹⁰ = 212302011307 is a prime.

It is a super-2 number, since 2×212302012331² (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 (212302012231) 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, 34607630 + ... + 34613763.

It is an arithmetic number, because the mean of its divisors is an integer number (53092809198).

Almost surely, 2^212302012331 is an apocalyptic number.

212302012331 is a deficient number, since it is larger than the sum of its proper divisors (69224461).

212302012331 is an equidigital number, since it uses as much as digits as its factorization.

212302012331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69224460.

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

Adding to 212302012331 its reverse (133210203212), we get a palindrome (345512215543).

The spelling of 212302012331 in words is "two hundred twelve billion, three hundred two million, twelve thousand, three hundred thirty-one".