212224100413 has 12 divisors (see below), whose sum is σ = 236159418684. Its totient is φ = 189579830400.

The previous prime is 212224100381. The next prime is 212224100419. The reversal of 212224100413 is 314001422212.

It can be written as a sum of positive squares in 2 ways, for example, as 92256772644 + 119967327769 = 303738^2 + 346363^2 .

It is not a de Polignac number, because 212224100413 - 2⁵ = 212224100381 is a prime.

It is a super-2 number, since 2×212224100413² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212224100419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8481228 + ... + 8506213.

It is an arithmetic number, because the mean of its divisors is an integer number (19679951557).

Almost surely, 2^212224100413 is an apocalyptic number.

It is an amenable number.

212224100413 is a deficient number, since it is larger than the sum of its proper divisors (23935318271).

212224100413 is a wasteful number, since it uses less digits than its factorization.

212224100413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16987516 (or 16987485 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 212224100413 its reverse (314001422212), we get a palindrome (526225522625).

The spelling of 212224100413 in words is "two hundred twelve billion, two hundred twenty-four million, one hundred thousand, four hundred thirteen".