212002021112122 has 16 divisors (see below), whose sum is σ = 318687149196000. Its totient is φ = 105772975895088.

The previous prime is 212002021112083. The next prime is 212002021112137. The reversal of 212002021112122 is 221211120200212.

It is a self number, because there is not a number n which added to its sum of digits gives 212002021112122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97460308 + ... + 99611824.

It is an arithmetic number, because the mean of its divisors is an integer number (19917946824750).

Almost surely, 2^{212002021112122} is an apocalyptic number.

212002021112122 is a deficient number, since it is larger than the sum of its proper divisors (106685128083878).

212002021112122 is a wasteful number, since it uses less digits than its factorization.

212002021112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257485.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212002021112122 its reverse (221211120200212), we get a palindrome (433213141312334).

The spelling of 212002021112122 in words is "two hundred twelve trillion, two billion, twenty-one million, one hundred twelve thousand, one hundred twenty-two".