212313440422 has 8 divisors (see below), whose sum is σ = 329451890400. Its totient is φ = 102496143624.

The previous prime is 212313440407. The next prime is 212313440459. The reversal of 212313440422 is 224044313212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×212313440422² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1830288222 + ... + 1830288337.

It is an arithmetic number, because the mean of its divisors is an integer number (41181486300).

Almost surely, 2^212313440422 is an apocalyptic number.

212313440422 is a deficient number, since it is larger than the sum of its proper divisors (117138449978).

212313440422 is a wasteful number, since it uses less digits than its factorization.

212313440422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3660576590.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 212313440422 its reverse (224044313212), we get a palindrome (436357753634).

The spelling of 212313440422 in words is "two hundred twelve billion, three hundred thirteen million, four hundred forty thousand, four hundred twenty-two".