12103221322 has 32 divisors (see below), whose sum is σ = 19055710080. Its totient is φ = 5754524160.

The previous prime is 12103221287. The next prime is 12103221337. The reversal of 12103221322 is 22312230121.

It is a self number, because there is not a number n which added to its sum of digits gives 12103221322.

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, 7664329 + ... + 7665907.

It is an arithmetic number, because the mean of its divisors is an integer number (595490940).

Almost surely, 2^12103221322 is an apocalyptic number.

12103221322 is a deficient number, since it is larger than the sum of its proper divisors (6952488758).

12103221322 is a wasteful number, since it uses less digits than its factorization.

12103221322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478.

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

Adding to 12103221322 its reverse (22312230121), we get a palindrome (34415451443).

The spelling of 12103221322 in words is "twelve billion, one hundred three million, two hundred twenty-one thousand, three hundred twenty-two".