12020202122 has 8 divisors (see below), whose sum is σ = 18042924900. Its totient is φ = 6005893824.

The previous prime is 12020202097. The next prime is 12020202127. The reversal of 12020202122 is 22120202021.

It can be written as a sum of positive squares in 2 ways, for example, as 12016325161 + 3876961 = 109619^2 + 1969^2 .

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 = 12020202097 and 12020202106.

It is not an unprimeable number, because it can be changed into a prime (12020202127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2100047 + ... + 2105762.

Almost surely, 2^12020202122 is an apocalyptic number.

12020202122 is a deficient number, since it is larger than the sum of its proper divisors (6022722778).

12020202122 is a wasteful number, since it uses less digits than its factorization.

12020202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4207240.

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

Adding to 12020202122 its reverse (22120202021), we get a palindrome (34140404143).

It can be divided in two parts, 120202021 and 22, that multiplied together give a palindrome (2644444462).

The spelling of 12020202122 in words is "twelve billion, twenty million, two hundred two thousand, one hundred twenty-two".