212424403211 has 4 divisors (see below), whose sum is σ = 213502699872. Its totient is φ = 211346106552.

The previous prime is 212424403201. The next prime is 212424403259. The reversal of 212424403211 is 112304424212.

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 212424403211 - 2¹⁴ = 212424386827 is a prime.

It is a super-3 number, since 3×212424403211³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212424403201) 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, 539148035 + ... + 539148428.

It is an arithmetic number, because the mean of its divisors is an integer number (53375674968).

Almost surely, 2^212424403211 is an apocalyptic number.

212424403211 is a deficient number, since it is larger than the sum of its proper divisors (1078296661).

212424403211 is a wasteful number, since it uses less digits than its factorization.

212424403211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078296660.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 212424403211 its reverse (112304424212), we get a palindrome (324728827423).

The spelling of 212424403211 in words is "two hundred twelve billion, four hundred twenty-four million, four hundred three thousand, two hundred eleven".