12200222123 has 4 divisors (see below), whose sum is σ = 12281018448. Its totient is φ = 12119425800.

The previous prime is 12200222119. The next prime is 12200222131. The reversal of 12200222123 is 32122200221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32122200221 = 82591 ⋅388931.

It is a cyclic number.

It is not a de Polignac number, because 12200222123 - 2² = 12200222119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12200222323) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 40397936 + ... + 40398237.

It is an arithmetic number, because the mean of its divisors is an integer number (3070254612).

Almost surely, 2^12200222123 is an apocalyptic number.

12200222123 is a deficient number, since it is larger than the sum of its proper divisors (80796325).

12200222123 is an equidigital number, since it uses as much as digits as its factorization.

12200222123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80796324.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12200222123 its reverse (32122200221), we get a palindrome (44322422344).

The spelling of 12200222123 in words is "twelve billion, two hundred million, two hundred twenty-two thousand, one hundred twenty-three".