12122221110202 has 32 divisors (see below), whose sum is σ = 21044756113920. Its totient is φ = 5129290932480.

The previous prime is 12122221110199. The next prime is 12122221110211. The reversal of 12122221110202 is 20201112222121.

It is a self number, because there is not a number n which added to its sum of digits gives 12122221110202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33176368 + ... + 33539764.

It is an arithmetic number, because the mean of its divisors is an integer number (657648628560).

Almost surely, 2^{12122221110202} is an apocalyptic number.

12122221110202 is a deficient number, since it is larger than the sum of its proper divisors (8922535003718).

12122221110202 is a wasteful number, since it uses less digits than its factorization.

12122221110202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393646.

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

Adding to 12122221110202 its reverse (20201112222121), we get a palindrome (32323333332323).

The spelling of 12122221110202 in words is "twelve trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred ten thousand, two hundred two".