12200123122 has 16 divisors (see below), whose sum is σ = 19968767712. Its totient is φ = 5544141120.

The previous prime is 12200123113. The next prime is 12200123147. The reversal of 12200123122 is 22132100221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12200123096 and 12200123105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25513 + ... + 158275.

It is an arithmetic number, because the mean of its divisors is an integer number (1248047982).

Almost surely, 2^12200123122 is an apocalyptic number.

12200123122 is a deficient number, since it is larger than the sum of its proper divisors (7768644590).

12200123122 is a wasteful number, since it uses less digits than its factorization.

12200123122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136953.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12200123122 its reverse (22132100221), we get a palindrome (34332223343).

The spelling of 12200123122 in words is "twelve billion, two hundred million, one hundred twenty-three thousand, one hundred twenty-two".