12201120120122 has 4 divisors (see below), whose sum is σ = 18301680180186. Its totient is φ = 6100560060060.

The previous prime is 12201120120113. The next prime is 12201120120197. The reversal of 12201120120122 is 22102102110221.

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., 6358017723121 + 5843102397001 = 2521511^2 + 2417251^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12201120120122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3050280030029 + ... + 3050280030032.

Almost surely, 2^{12201120120122} is an apocalyptic number.

12201120120122 is a deficient number, since it is larger than the sum of its proper divisors (6100560060064).

12201120120122 is an equidigital number, since it uses as much as digits as its factorization.

12201120120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100560060063.

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

Adding to 12201120120122 its reverse (22102102110221), we get a palindrome (34303222230343).

The spelling of 12201120120122 in words is "twelve trillion, two hundred one billion, one hundred twenty million, one hundred twenty thousand, one hundred twenty-two".