12012212102202 has 48 divisors (see below), whose sum is σ = 29066587324320. Its totient is φ = 3696065260272.

The previous prime is 12012212102179. The next prime is 12012212102207. The reversal of 12012212102202 is 20220121221021.

It is a happy number.

12012212102202 is a `hidden beast` number, since 1 + 201 + 221 + 21 + 0 + 220 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (12012212102207) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 950627752 + ... + 950640387.

It is an arithmetic number, because the mean of its divisors is an integer number (605553902590).

Almost surely, 2^{12012212102202} is an apocalyptic number.

12012212102202 is an abundant number, since it is smaller than the sum of its proper divisors (17054375222118).

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

12012212102202 is a wasteful number, since it uses less digits than its factorization.

12012212102202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901268169 (or 1901268157 counting only the distinct ones).

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

Adding to 12012212102202 its reverse (20220121221021), we get a palindrome (32232333323223).

The spelling of 12012212102202 in words is "twelve trillion, twelve billion, two hundred twelve million, one hundred two thousand, two hundred two".