212200120022122 has 16 divisors (see below), whose sum is σ = 324317560736520. Its totient is φ = 104094411096832.

The previous prime is 212200120022041. The next prime is 212200120022129. The reversal of 212200120022122 is 221220021002212.

212200120022122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 116018340134761 + 96181779887361 = 10771181^2 + 9807231^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212200120022122.

It is not an unprimeable number, because it can be changed into a prime (212200120022129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33214483 + ... + 39084550.

Almost surely, 2^{212200120022122} is an apocalyptic number.

212200120022122 is a deficient number, since it is larger than the sum of its proper divisors (112117440714398).

212200120022122 is a wasteful number, since it uses less digits than its factorization.

212200120022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72326777.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 212200120022122 its reverse (221220021002212), we get a palindrome (433420141024334).

The spelling of 212200120022122 in words is "two hundred twelve trillion, two hundred billion, one hundred twenty million, twenty-two thousand, one hundred twenty-two".