12220222213102 has 4 divisors (see below), whose sum is σ = 18330333319656. Its totient is φ = 6110111106550.

The previous prime is 12220222213093. The next prime is 12220222213103. The reversal of 12220222213102 is 20131222202221.

It is a happy number.

12220222213102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220222213103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3055055553274 + ... + 3055055553277.

It is an arithmetic number, because the mean of its divisors is an integer number (4582583329914).

Almost surely, 2^{12220222213102} is an apocalyptic number.

12220222213102 is a deficient number, since it is larger than the sum of its proper divisors (6110111106554).

12220222213102 is an equidigital number, since it uses as much as digits as its factorization.

12220222213102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6110111106553.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12220222213102 its reverse (20131222202221), we get a palindrome (32351444415323).

The spelling of 12220222213102 in words is "twelve trillion, two hundred twenty billion, two hundred twenty-two million, two hundred thirteen thousand, one hundred two".