12122200073 has 16 divisors (see below), whose sum is σ = 12508697424. Its totient is φ = 11738960640.

The previous prime is 12122200063. The next prime is 12122200087. The reversal of 12122200073 is 37000222121.

It can be written as a sum of positive squares in 8 ways, for example, as 3460733584 + 8661466489 = 58828^2 + 93067^2 .

It is a cyclic number.

It is not a de Polignac number, because 12122200073 - 2⁶ = 12122200009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12122200033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12881783 + ... + 12882723.

It is an arithmetic number, because the mean of its divisors is an integer number (781793589).

Almost surely, 2^12122200073 is an apocalyptic number.

It is an amenable number.

12122200073 is a deficient number, since it is larger than the sum of its proper divisors (386497351).

12122200073 is an equidigital number, since it uses as much as digits as its factorization.

12122200073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252.

The product of its (nonzero) digits is 336, while the sum is 20.

Adding to 12122200073 its reverse (37000222121), we get a palindrome (49122422194).

The spelling of 12122200073 in words is "twelve billion, one hundred twenty-two million, two hundred thousand, seventy-three".