212000212011122 has 4 divisors (see below), whose sum is σ = 318000318016686. Its totient is φ = 106000106005560.

The previous prime is 212000212011121. The next prime is 212000212011169. The reversal of 212000212011122 is 221110212000212.

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

It can be written as a sum of positive squares in only one way, i.e., 192642491144041 + 19357720867081 = 13879571^2 + 4399741^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212000212011122.

It is not an unprimeable number, because it can be changed into a prime (212000212011121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53000053002779 + ... + 53000053002782.

Almost surely, 2^{212000212011122} is an apocalyptic number.

212000212011122 is a deficient number, since it is larger than the sum of its proper divisors (106000106005564).

212000212011122 is a wasteful number, since it uses less digits than its factorization.

212000212011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106000106005563.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212000212011122 its reverse (221110212000212), we get a palindrome (433110424011334).

The spelling of 212000212011122 in words is "two hundred twelve trillion, two hundred twelve million, eleven thousand, one hundred twenty-two".