212223123330 has 64 divisors (see below), whose sum is σ = 550633023360. Its totient is φ = 52165223424.

The previous prime is 212223123289. The next prime is 212223123361. The reversal of 212223123330 is 33321322212.

It is a self number, because there is not a number n which added to its sum of digits gives 212223123330.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5010279 + ... + 5052458.

It is an arithmetic number, because the mean of its divisors is an integer number (8603640990).

Almost surely, 2^212223123330 is an apocalyptic number.

212223123330 is an abundant number, since it is smaller than the sum of its proper divisors (338409900030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212223123330 is a wasteful number, since it uses less digits than its factorization.

212223123330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10062803.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 212223123330 its reverse (33321322212), we get a palindrome (245544445542).

The spelling of 212223123330 in words is "two hundred twelve billion, two hundred twenty-three million, one hundred twenty-three thousand, three hundred thirty".