12200001122 has 4 divisors (see below), whose sum is σ = 18300001686. Its totient is φ = 6100000560.

The previous prime is 12200001089. The next prime is 12200001167. The reversal of 12200001122 is 22110000221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22110000221 = 67939 ⋅325439.

It can be written as a sum of positive squares in only one way, i.e., 7330613161 + 4869387961 = 85619^2 + 69781^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3050000279 + ... + 3050000282.

Almost surely, 2^12200001122 is an apocalyptic number.

12200001122 is a deficient number, since it is larger than the sum of its proper divisors (6100000564).

12200001122 is an equidigital number, since it uses as much as digits as its factorization.

12200001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6100000563.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12200001122 its reverse (22110000221), we get a palindrome (34310001343).

Subtracting 12200001122 from its reverse (22110000221), we obtain a palindrome (9909999099).

The spelling of 12200001122 in words is "twelve billion, two hundred million, one thousand, one hundred twenty-two".