2012121122202 has 16 divisors (see below), whose sum is σ = 4471380271680. Its totient is φ = 670707040716.

The previous prime is 2012121122201. The next prime is 2012121122239. The reversal of 2012121122202 is 2022211212102.

It is a happy number.

It is a super-2 number, since 2×2012121122202² (a number of 25 digits) contains 22 as substring.

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 (2012121122201) 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 7 ways as a sum of consecutive naturals, for example, 18630751078 + ... + 18630751185.

It is an arithmetic number, because the mean of its divisors is an integer number (279461266980).

Almost surely, 2^{2012121122202} is an apocalyptic number.

2012121122202 is an abundant number, since it is smaller than the sum of its proper divisors (2459259149478).

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

2012121122202 is a wasteful number, since it uses less digits than its factorization.

2012121122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37261502274 (or 37261502268 counting only the distinct ones).

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

Adding to 2012121122202 its reverse (2022211212102), we get a palindrome (4034332334304).

The spelling of 2012121122202 in words is "two trillion, twelve billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred two".