12210220311202 has 4 divisors (see below), whose sum is σ = 18315330466806. Its totient is φ = 6105110155600.

The previous prime is 12210220311193. The next prime is 12210220311257. The reversal of 12210220311202 is 20211302201221.

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., 10405069524721 + 1805150786481 = 3225689^2 + 1343559^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12210220311202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3052555077799 + ... + 3052555077802.

Almost surely, 2^{12210220311202} is an apocalyptic number.

12210220311202 is a deficient number, since it is larger than the sum of its proper divisors (6105110155604).

12210220311202 is an equidigital number, since it uses as much as digits as its factorization.

12210220311202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6105110155603.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12210220311202 its reverse (20211302201221), we get a palindrome (32421522512423).

The spelling of 12210220311202 in words is "twelve trillion, two hundred ten billion, two hundred twenty million, three hundred eleven thousand, two hundred two".