212120011333222 has 4 divisors (see below), whose sum is σ = 318180016999836. Its totient is φ = 106060005666610.

The previous prime is 212120011333189. The next prime is 212120011333259. The reversal of 212120011333222 is 222333110021212.

212120011333222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53030002833304 + ... + 53030002833307.

It is an arithmetic number, because the mean of its divisors is an integer number (79545004249959).

Almost surely, 2^{212120011333222} is an apocalyptic number.

212120011333222 is a deficient number, since it is larger than the sum of its proper divisors (106060005666614).

212120011333222 is a wasteful number, since it uses less digits than its factorization.

212120011333222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106060005666613.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 212120011333222 its reverse (222333110021212), we get a palindrome (434453121354434).

The spelling of 212120011333222 in words is "two hundred twelve trillion, one hundred twenty billion, eleven million, three hundred thirty-three thousand, two hundred twenty-two".