12120223322 has 4 divisors (see below), whose sum is σ = 18180334986. Its totient is φ = 6060111660.

The previous prime is 12120223319. The next prime is 12120223399. The reversal of 12120223322 is 22332202121.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 6983777761 + 5136445561 = 83569^2 + 71669^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12120223294 and 12120223303.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3030055829 + ... + 3030055832.

Almost surely, 2^12120223322 is an apocalyptic number.

12120223322 is a deficient number, since it is larger than the sum of its proper divisors (6060111664).

12120223322 is an equidigital number, since it uses as much as digits as its factorization.

12120223322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6060111663.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12120223322 its reverse (22332202121), we get a palindrome (34452425443).

The spelling of 12120223322 in words is "twelve billion, one hundred twenty million, two hundred twenty-three thousand, three hundred twenty-two".