12121012022202 has 24 divisors (see below), whose sum is σ = 26351824783284. Its totient is φ = 4026547791744.

The previous prime is 12121012022177. The next prime is 12121012022237. The reversal of 12121012022202 is 20222021012121.

It is a happy number.

12121012022202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11708243036361 + 412768985841 = 3421731^2 + 642471^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1149123663 + ... + 1149134210.

Almost surely, 2^{12121012022202} is an apocalyptic number.

12121012022202 is an abundant number, since it is smaller than the sum of its proper divisors (14230812761082).

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

12121012022202 is a wasteful number, since it uses less digits than its factorization.

12121012022202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298258174 (or 2298258171 counting only the distinct ones).

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

Adding to 12121012022202 its reverse (20222021012121), we get a palindrome (32343033034323).

The spelling of 12121012022202 in words is "twelve trillion, one hundred twenty-one billion, twelve million, twenty-two thousand, two hundred two".