12012202120122 has 12 divisors (see below), whose sum is σ = 26026437926970. Its totient is φ = 4004067373368.

The previous prime is 12012202120103. The next prime is 12012202120133. The reversal of 12012202120122 is 22102120221021.

It is a happy number.

12012202120122 is a `hidden beast` number, since 1 + 201 + 220 + 2 + 120 + 122 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11771973722961 + 240228397161 = 3431031^2 + 490131^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 667344562229 = 12012202120122 / (1 + 2 + 0 + 1 + 2 + 2 + 0 + 2 + 1 + 2 + 0 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 12012202120095 and 12012202120104.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 333672281097 + ... + 333672281132.

Almost surely, 2^{12012202120122} is an apocalyptic number.

12012202120122 is an abundant number, since it is smaller than the sum of its proper divisors (14014235806848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12012202120122 is a wasteful number, since it uses less digits than its factorization.

12012202120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667344562237 (or 667344562234 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12012202120122 its reverse (22102120221021), we get a palindrome (34114322341143).

The spelling of 12012202120122 in words is "twelve trillion, twelve billion, two hundred two million, one hundred twenty thousand, one hundred twenty-two".