223212144205 has 16 divisors (see below), whose sum is σ = 279579911040. Its totient is φ = 170757239488.

The previous prime is 223212144203. The next prime is 223212144241. The reversal of 223212144205 is 502441212322.

It is a cyclic number.

It is not a de Polignac number, because 223212144205 - 2¹ = 223212144203 is a prime.

It is a super-3 number, since 3×223212144205³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223212144203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132759 + ... + 681211.

It is an arithmetic number, because the mean of its divisors is an integer number (17473744440).

Almost surely, 2^223212144205 is an apocalyptic number.

It is an amenable number.

223212144205 is a deficient number, since it is larger than the sum of its proper divisors (56367766835).

223212144205 is a wasteful number, since it uses less digits than its factorization.

223212144205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552020.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 223212144205 its reverse (502441212322), we get a palindrome (725653356527).

The spelling of 223212144205 in words is "two hundred twenty-three billion, two hundred twelve million, one hundred forty-four thousand, two hundred five".