12111220212202 has 8 divisors (see below), whose sum is σ = 18166852210176. Its totient is φ = 6055602808812.

The previous prime is 12111220212181. The next prime is 12111220212277. The reversal of 12111220212202 is 20221202211121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12111220212202.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1261738 + ... + 5080789.

It is an arithmetic number, because the mean of its divisors is an integer number (2270856526272).

Almost surely, 2^{12111220212202} is an apocalyptic number.

12111220212202 is a deficient number, since it is larger than the sum of its proper divisors (6055631997974).

12111220212202 is an equidigital number, since it uses as much as digits as its factorization.

12111220212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7297292.

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

Adding to 12111220212202 its reverse (20221202211121), we get a palindrome (32332422423323).

The spelling of 12111220212202 in words is "twelve trillion, one hundred eleven billion, two hundred twenty million, two hundred twelve thousand, two hundred two".