12202111122202 has 4 divisors (see below), whose sum is σ = 18303166683306. Its totient is φ = 6101055561100.

The previous prime is 12202111122193. The next prime is 12202111122209. The reversal of 12202111122202 is 20222111120221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11890145307681 + 311965814521 = 3448209^2 + 558539^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12202111122202.

It is not an unprimeable number, because it can be changed into a prime (12202111122209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3050527780549 + ... + 3050527780552.

Almost surely, 2^{12202111122202} is an apocalyptic number.

12202111122202 is a deficient number, since it is larger than the sum of its proper divisors (6101055561104).

12202111122202 is an equidigital number, since it uses as much as digits as its factorization.

12202111122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6101055561103.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12202111122202 its reverse (20222111120221), we get a palindrome (32424222242423).

The spelling of 12202111122202 in words is "twelve trillion, two hundred two billion, one hundred eleven million, one hundred twenty-two thousand, two hundred two".