212002122122 has 32 divisors (see below), whose sum is σ = 390230472960. Its totient is φ = 84309039360.

The previous prime is 212002122109. The next prime is 212002122161. The reversal of 212002122122 is 221221200212.

It is a happy number.

212002122122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 212002122122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6256097 + ... + 6289892.

It is an arithmetic number, because the mean of its divisors is an integer number (12194702280).

Almost surely, 2^212002122122 is an apocalyptic number.

212002122122 is a deficient number, since it is larger than the sum of its proper divisors (178228350838).

212002122122 is a wasteful number, since it uses less digits than its factorization.

212002122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12546086.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212002122122 its reverse (221221200212), we get a palindrome (433223322334).

The spelling of 212002122122 in words is "two hundred twelve billion, two million, one hundred twenty-two thousand, one hundred twenty-two".