12002202122 has 8 divisors (see below), whose sum is σ = 18003892356. Its totient is φ = 6000904672.

The previous prime is 12002202109. The next prime is 12002202133. The reversal of 12002202122 is 22120220021.

It can be written as a sum of positive squares in 2 ways, for example, as 10936767241 + 1065434881 = 104579^2 + 32641^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12002202097 and 12002202106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3563 + ... + 154974.

Almost surely, 2^12002202122 is an apocalyptic number.

12002202122 is a deficient number, since it is larger than the sum of its proper divisors (6001690234).

12002202122 is a wasteful number, since it uses less digits than its factorization.

12002202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196392.

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

Adding to 12002202122 its reverse (22120220021), we get a palindrome (34122422143).

The spelling of 12002202122 in words is "twelve billion, two million, two hundred two thousand, one hundred twenty-two".