12020202122120 has 16 divisors (see below), whose sum is σ = 27045454774860. Its totient is φ = 4808080848832.

The previous prime is 12020202122111. The next prime is 12020202122147. The reversal of 12020202122120 is 2122120202021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11215546477444 + 804655644676 = 3348962^2 + 897026^2 .

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, 150252526487 + ... + 150252526566.

Almost surely, 2^{12020202122120} is an apocalyptic number.

12020202122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020202122120 is an abundant number, since it is smaller than the sum of its proper divisors (15025252652740).

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

12020202122120 is a wasteful number, since it uses less digits than its factorization.

12020202122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300505053064 (or 300505053060 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12020202122120 its reverse (2122120202021), we get a palindrome (14142322324141).

The spelling of 12020202122120 in words is "twelve trillion, twenty billion, two hundred two million, one hundred twenty-two thousand, one hundred twenty".