12013223122 has 32 divisors (see below), whose sum is σ = 18988058880. Its totient is φ = 5692763520.

The previous prime is 12013223107. The next prime is 12013223141. The reversal of 12013223122 is 22132231021.

It is a self number, because there is not a number n which added to its sum of digits gives 12013223122.

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, 2178693 + ... + 2184199.

It is an arithmetic number, because the mean of its divisors is an integer number (593376840).

Almost surely, 2^12013223122 is an apocalyptic number.

12013223122 is a deficient number, since it is larger than the sum of its proper divisors (6974835758).

12013223122 is a wasteful number, since it uses less digits than its factorization.

12013223122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6306.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12013223122 its reverse (22132231021), we get a palindrome (34145454143).

The spelling of 12013223122 in words is "twelve billion, thirteen million, two hundred twenty-three thousand, one hundred twenty-two".