212311443422244 has 12 divisors (see below), whose sum is σ = 495393367985264. Its totient is φ = 70770481140744.

The previous prime is 212311443422219. The next prime is 212311443422269. The reversal of 212311443422244 is 442224344113212.

It is an interprime number because it is at equal distance from previous prime (212311443422219) and next prime (212311443422269).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×212311443422244² (a number of 29 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8846310142582 + ... + 8846310142605.

Almost surely, 2^{212311443422244} is an apocalyptic number.

It is an amenable number.

212311443422244 is an abundant number, since it is smaller than the sum of its proper divisors (283081924563020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212311443422244 is a wasteful number, since it uses less digits than its factorization.

212311443422244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17692620285194 (or 17692620285192 counting only the distinct ones).

The product of its digits is 294912, while the sum is 39.

Adding to 212311443422244 its reverse (442224344113212), we get a palindrome (654535787535456).

The spelling of 212311443422244 in words is "two hundred twelve trillion, three hundred eleven billion, four hundred forty-three million, four hundred twenty-two thousand, two hundred forty-four".