212333222105 has 8 divisors (see below), whose sum is σ = 263586069000. Its totient is φ = 164009109376.

The previous prime is 212333222099. The next prime is 212333222131. The reversal of 212333222105 is 501222333212.

It can be written as a sum of positive squares in 4 ways, for example, as 6488624704 + 205844597401 = 80552^2 + 453701^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 212333222105 - 2²⁸ = 212064786649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732183380 + ... + 732183669.

It is an arithmetic number, because the mean of its divisors is an integer number (32948258625).

Almost surely, 2^212333222105 is an apocalyptic number.

It is an amenable number.

212333222105 is a deficient number, since it is larger than the sum of its proper divisors (51252846895).

212333222105 is a wasteful number, since it uses less digits than its factorization.

212333222105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464367083.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 212333222105 its reverse (501222333212), we get a palindrome (713555555317).

The spelling of 212333222105 in words is "two hundred twelve billion, three hundred thirty-three million, two hundred twenty-two thousand, one hundred five".