12012122012202 has 96 divisors (see below), whose sum is σ = 28217067540480. Its totient is φ = 3671148614400.

The previous prime is 12012122012153. The next prime is 12012122012213. The reversal of 12012122012202 is 20221022121021.

It is a happy number.

12012122012202 is a `hidden beast` number, since 1 + 201 + 21 + 220 + 1 + 220 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 501978174 + ... + 502002102.

It is an arithmetic number, because the mean of its divisors is an integer number (293927786880).

Almost surely, 2^{12012122012202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12012122012202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14108533770240).

12012122012202 is an abundant number, since it is smaller than the sum of its proper divisors (16204945528278).

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

12012122012202 is a wasteful number, since it uses less digits than its factorization.

12012122012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38308 (or 38305 counting only the distinct ones).

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

Adding to 12012122012202 its reverse (20221022121021), we get a palindrome (32233144133223).

The spelling of 12012122012202 in words is "twelve trillion, twelve billion, one hundred twenty-two million, twelve thousand, two hundred two".