212224066613 has 8 divisors (see below), whose sum is σ = 238485907968. Its totient is φ = 187381784304.

The previous prime is 212224066609. The next prime is 212224066619. The reversal of 212224066613 is 316660422212.

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

It is not a de Polignac number, because 212224066613 - 2² = 212224066609 is a prime.

It is a super-2 number, since 2×212224066613² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212224066619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354889445 + ... + 354890042.

It is an arithmetic number, because the mean of its divisors is an integer number (29810738496).

Almost surely, 2^212224066613 is an apocalyptic number.

212224066613 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

212224066613 is a deficient number, since it is larger than the sum of its proper divisors (26261841355).

212224066613 is a wasteful number, since it uses less digits than its factorization.

212224066613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709779523.

The product of its (nonzero) digits is 41472, while the sum is 35.

Adding to 212224066613 its reverse (316660422212), we get a palindrome (528884488825).

The spelling of 212224066613 in words is "two hundred twelve billion, two hundred twenty-four million, sixty-six thousand, six hundred thirteen".