12020220122 has 16 divisors (see below), whose sum is σ = 18145354752. Its totient is φ = 5971796880.

The previous prime is 12020220089. The next prime is 12020220131. The reversal of 12020220122 is 22102202021.

It is a junction number, because it is equal to n+sod(n) for n = 12020220097 and 12020220106.

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, 1127288 + ... + 1137900.

It is an arithmetic number, because the mean of its divisors is an integer number (1134084672).

Almost surely, 2^12020220122 is an apocalyptic number.

12020220122 is a deficient number, since it is larger than the sum of its proper divisors (6125134630).

12020220122 is a wasteful number, since it uses less digits than its factorization.

12020220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14173.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12020220122 its reverse (22102202021), we get a palindrome (34122422143).

The spelling of 12020220122 in words is "twelve billion, twenty million, two hundred twenty thousand, one hundred twenty-two".