12000220202122 has 4 divisors (see below), whose sum is σ = 18000330303186. Its totient is φ = 6000110101060.

The previous prime is 12000220202099. The next prime is 12000220202147. The reversal of 12000220202122 is 22120202200021.

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., 7343389997161 + 4656830204961 = 2709869^2 + 2157969^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12000220202096 and 12000220202105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000055050529 + ... + 3000055050532.

Almost surely, 2^{12000220202122} is an apocalyptic number.

12000220202122 is a deficient number, since it is larger than the sum of its proper divisors (6000110101064).

12000220202122 is an equidigital number, since it uses as much as digits as its factorization.

12000220202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6000110101063.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12000220202122 its reverse (22120202200021), we get a palindrome (34120422402143).

The spelling of 12000220202122 in words is "twelve trillion, two hundred twenty million, two hundred two thousand, one hundred twenty-two".