212223131132322 has 32 divisors (see below), whose sum is σ = 428650487340480. Its totient is φ = 70040345371200.

The previous prime is 212223131132297. The next prime is 212223131132333. The reversal of 212223131132322 is 223231131322212.

It is a happy number.

It is a super-2 number, since 2×212223131132322² (a number of 29 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 212223131132322.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182814573 + ... + 183971775.

It is an arithmetic number, because the mean of its divisors is an integer number (13395327729390).

Almost surely, 2^{212223131132322} is an apocalyptic number.

212223131132322 is an abundant number, since it is smaller than the sum of its proper divisors (216427356208158).

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

212223131132322 is a wasteful number, since it uses less digits than its factorization.

212223131132322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459938.

The product of its digits is 10368, while the sum is 30.

Adding to 212223131132322 its reverse (223231131322212), we get a palindrome (435454262454534).

The spelling of 212223131132322 in words is "two hundred twelve trillion, two hundred twenty-three billion, one hundred thirty-one million, one hundred thirty-two thousand, three hundred twenty-two".