12212120120122 has 64 divisors (see below), whose sum is σ = 21178411269120. Its totient is φ = 5231012050944.

The previous prime is 12212120120069. The next prime is 12212120120129. The reversal of 12212120120122 is 22102102121221.

It is a self number, because there is not a number n which added to its sum of digits gives 12212120120122.

It is not an unprimeable number, because it can be changed into a prime (12212120120129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158677983 + ... + 158754925.

It is an arithmetic number, because the mean of its divisors is an integer number (330912676080).

Almost surely, 2^{12212120120122} is an apocalyptic number.

12212120120122 is a deficient number, since it is larger than the sum of its proper divisors (8966291148998).

12212120120122 is a wasteful number, since it uses less digits than its factorization.

12212120120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81967.

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

Adding to 12212120120122 its reverse (22102102121221), we get a palindrome (34314222241343).

The spelling of 12212120120122 in words is "twelve trillion, two hundred twelve billion, one hundred twenty million, one hundred twenty thousand, one hundred twenty-two".