212223101223 has 16 divisors (see below), whose sum is σ = 324427424256. Its totient is φ = 120880403040.

The previous prime is 212223101197. The next prime is 212223101249. The reversal of 212223101223 is 322101322212.

It is an interprime number because it is at equal distance from previous prime (212223101197) and next prime (212223101249).

It is not a de Polignac number, because 212223101223 - 2¹⁴ = 212223084839 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 212223101223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212223109223) 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, 16240836 + ... + 16253897.

It is an arithmetic number, because the mean of its divisors is an integer number (20276714016).

Almost surely, 2^212223101223 is an apocalyptic number.

212223101223 is a deficient number, since it is larger than the sum of its proper divisors (112204323033).

212223101223 is a wasteful number, since it uses less digits than its factorization.

212223101223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32495054.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212223101223 its reverse (322101322212), we get a palindrome (534324423435).

The spelling of 212223101223 in words is "two hundred twelve billion, two hundred twenty-three million, one hundred one thousand, two hundred twenty-three".