12212010122202 has 24 divisors (see below), whose sum is σ = 28864751198400. Its totient is φ = 3700609127880.

The previous prime is 12212010122167. The next prime is 12212010122203. The reversal of 12212010122202 is 20222101021221.

It is a happy number.

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 (12212010122203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30838409202 + ... + 30838409597.

It is an arithmetic number, because the mean of its divisors is an integer number (1202697966600).

Almost surely, 2^{12212010122202} is an apocalyptic number.

12212010122202 is an abundant number, since it is smaller than the sum of its proper divisors (16652741076198).

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

12212010122202 is a wasteful number, since it uses less digits than its factorization.

12212010122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61676818818 (or 61676818815 counting only the distinct ones).

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

Adding to 12212010122202 its reverse (20222101021221), we get a palindrome (32434111143423).

The spelling of 12212010122202 in words is "twelve trillion, two hundred twelve billion, ten million, one hundred twenty-two thousand, two hundred two".