12103320322 has 4 divisors (see below), whose sum is σ = 18154980486. Its totient is φ = 6051660160.

The previous prime is 12103320287. The next prime is 12103320329. The reversal of 12103320322 is 22302330121.

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., 11811559761 + 291760561 = 108681^2 + 17081^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12103320322.

It is not an unprimeable number, because it can be changed into a prime (12103320329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3025830079 + ... + 3025830082.

Almost surely, 2^12103320322 is an apocalyptic number.

12103320322 is a deficient number, since it is larger than the sum of its proper divisors (6051660164).

12103320322 is an equidigital number, since it uses as much as digits as its factorization.

12103320322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6051660163.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12103320322 its reverse (22302330121), we get a palindrome (34405650443).

The spelling of 12103320322 in words is "twelve billion, one hundred three million, three hundred twenty thousand, three hundred twenty-two".