12220220122 has 16 divisors (see below), whose sum is σ = 20004086592. Its totient is φ = 5552600320.

The previous prime is 12220220093. The next prime is 12220220161. The reversal of 12220220122 is 22102202221.

It is a junction number, because it is equal to n+sod(n) for n = 12220220096 and 12220220105.

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, 40318 + ... + 161449.

It is an arithmetic number, because the mean of its divisors is an integer number (1250255412).

Almost surely, 2^12220220122 is an apocalyptic number.

12220220122 is a deficient number, since it is larger than the sum of its proper divisors (7783866470).

12220220122 is a wasteful number, since it uses less digits than its factorization.

12220220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204533.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12220220122 its reverse (22102202221), we get a palindrome (34322422343).

The spelling of 12220220122 in words is "twelve billion, two hundred twenty million, two hundred twenty thousand, one hundred twenty-two".