212012221201222 has 32 divisors (see below), whose sum is σ = 359578904882400. Its totient is φ = 93067481219328.

The previous prime is 212012221201199. The next prime is 212012221201237. The reversal of 212012221201222 is 222102122210212.

It is a super-2 number, since 2×212012221201222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212012221201193 and 212012221201202.

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, 2098332447 + ... + 2098433482.

It is an arithmetic number, because the mean of its divisors is an integer number (11236840777575).

Almost surely, 2^{212012221201222} is an apocalyptic number.

212012221201222 is a deficient number, since it is larger than the sum of its proper divisors (147566683681178).

212012221201222 is a wasteful number, since it uses less digits than its factorization.

212012221201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4196766040.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 212012221201222 its reverse (222102122210212), we get a palindrome (434114343411434).

The spelling of 212012221201222 in words is "two hundred twelve trillion, twelve billion, two hundred twenty-one million, two hundred one thousand, two hundred twenty-two".