12020021022122 has 16 divisors (see below), whose sum is σ = 18818274980232. Its totient is φ = 5752794228480.

The previous prime is 12020021022059. The next prime is 12020021022137. The reversal of 12020021022122 is 22122012002021.

It is a happy number.

12020021022122 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 4 ways, for example, as 8180063326561 + 3839957695561 = 2860081^2 + 1959581^2 .

It is a super-2 number, since 2×12020021022122² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12020021022122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1382878883 + ... + 1382887574.

Almost surely, 2^{12020021022122} is an apocalyptic number.

12020021022122 is a deficient number, since it is larger than the sum of its proper divisors (6798253958110).

12020021022122 is a wasteful number, since it uses less digits than its factorization.

12020021022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765766553.

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

Adding to 12020021022122 its reverse (22122012002021), we get a palindrome (34142033024143).

The spelling of 12020021022122 in words is "twelve trillion, twenty billion, twenty-one million, twenty-two thousand, one hundred twenty-two".