12013322212 has 12 divisors (see below), whose sum is σ = 21024126396. Its totient is φ = 6006428960.

The previous prime is 12013322201. The next prime is 12013322267. The reversal of 12013322212 is 21222331021.

It can be written as a sum of positive squares in 2 ways, for example, as 1432319716 + 10581002496 = 37846^2 + 102864^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12013322212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117162 + ... + 194302.

It is an arithmetic number, because the mean of its divisors is an integer number (1752010533).

Almost surely, 2^12013322212 is an apocalyptic number.

It is an amenable number.

12013322212 is a deficient number, since it is larger than the sum of its proper divisors (9010804184).

12013322212 is a wasteful number, since it uses less digits than its factorization.

12013322212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116078 (or 116076 counting only the distinct ones).

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

Adding to 12013322212 its reverse (21222331021), we get a palindrome (33235653233).

The spelling of 12013322212 in words is "twelve billion, thirteen million, three hundred twenty-two thousand, two hundred twelve".