12020220121122 has 24 divisors (see below), whose sum is σ = 26117588775564. Its totient is φ = 3995389499904.

The previous prime is 12020220121103. The next prime is 12020220121123. The reversal of 12020220121122 is 22112102202021.

It is a happy number.

12020220121122 is a `hidden beast` number, since 1 + 202 + 0 + 220 + 121 + 122 = 666.

12020220121122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12014188890201 + 6031230921 = 3466149^2 + 77661^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12020220121095 and 12020220121104.

It is not an unprimeable number, because it can be changed into a prime (12020220121123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 945871843 + ... + 945884550.

Almost surely, 2^{12020220121122} is an apocalyptic number.

12020220121122 is an abundant number, since it is smaller than the sum of its proper divisors (14097368654442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12020220121122 is a wasteful number, since it uses less digits than its factorization.

12020220121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891756754 (or 1891756751 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12020220121122 its reverse (22112102202021), we get a palindrome (34132322323143).

The spelling of 12020220121122 in words is "twelve trillion, twenty billion, two hundred twenty million, one hundred twenty-one thousand, one hundred twenty-two".