122201021212 has 12 divisors (see below), whose sum is σ = 213857854560. Its totient is φ = 61098777056.

The previous prime is 122201021207. The next prime is 122201021221. The reversal of 122201021212 is 212120102221.

It is a happy number.

122201021212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 267748 + ... + 562219.

It is an arithmetic number, because the mean of its divisors is an integer number (17821487880).

Almost surely, 2^122201021212 is an apocalyptic number.

It is an amenable number.

122201021212 is a deficient number, since it is larger than the sum of its proper divisors (91656833348).

122201021212 is a wasteful number, since it uses less digits than its factorization.

122201021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866780 (or 866778 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122201021212 its reverse (212120102221), we get a palindrome (334321123433).

The spelling of 122201021212 in words is "one hundred twenty-two billion, two hundred one million, twenty-one thousand, two hundred twelve".