212222101021230 has 32 divisors (see below), whose sum is σ = 513221080952448. Its totient is φ = 56160555994400.

The previous prime is 212222101021219. The next prime is 212222101021243. The reversal of 212222101021230 is 32120101222212.

It is a junction number, because it is equal to n+sod(n) for n = 212222101021197 and 212222101021206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27000263376 + ... + 27000271235.

It is an arithmetic number, because the mean of its divisors is an integer number (16038158779764).

Almost surely, 2^{212222101021230} is an apocalyptic number.

212222101021230 is an abundant number, since it is smaller than the sum of its proper divisors (300998979931218).

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

212222101021230 is a wasteful number, since it uses less digits than its factorization.

212222101021230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54000534752.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 212222101021230 its reverse (32120101222212), we get a palindrome (244342202243442).

The spelling of 212222101021230 in words is "two hundred twelve trillion, two hundred twenty-two billion, one hundred one million, twenty-one thousand, two hundred thirty".