12210220122 has 16 divisors (see below), whose sum is σ = 24451090272. Its totient is φ = 4064965040.

The previous prime is 12210220091. The next prime is 12210220147. The reversal of 12210220122 is 22102201221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1271904 + ... + 1281467.

It is an arithmetic number, because the mean of its divisors is an integer number (1528193142).

Almost surely, 2^12210220122 is an apocalyptic number.

12210220122 is an abundant number, since it is smaller than the sum of its proper divisors (12240870150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12210220122 is a wasteful number, since it uses less digits than its factorization.

12210220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554173.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12210220122 its reverse (22102201221), we get a palindrome (34312421343).

The spelling of 12210220122 in words is "twelve billion, two hundred ten million, two hundred twenty thousand, one hundred twenty-two".