212012123223 has 8 divisors (see below), whose sum is σ = 294973388928. Its totient is φ = 135196136504.

The previous prime is 212012123221. The next prime is 212012123227. The reversal of 212012123223 is 322321210212.

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 212012123223 - 2¹ = 212012123221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212012123223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212012123221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1536319665 + ... + 1536319802.

It is an arithmetic number, because the mean of its divisors is an integer number (36871673616).

Almost surely, 2^212012123223 is an apocalyptic number.

212012123223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

212012123223 is a deficient number, since it is larger than the sum of its proper divisors (82961265705).

212012123223 is a wasteful number, since it uses less digits than its factorization.

212012123223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3072639493.

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

Adding to 212012123223 its reverse (322321210212), we get a palindrome (534333333435).

The spelling of 212012123223 in words is "two hundred twelve billion, twelve million, one hundred twenty-three thousand, two hundred twenty-three".