12122001122 has 48 divisors (see below), whose sum is σ = 23176650528. Its totient is φ = 4701957120.

The previous prime is 12122001091. The next prime is 12122001139. The reversal of 12122001122 is 22110022121.

It is a super-2 number, since 2×12122001122² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 12122001097 and 12122001106.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 219938 + ... + 269474.

It is an arithmetic number, because the mean of its divisors is an integer number (482846886).

Almost surely, 2^12122001122 is an apocalyptic number.

12122001122 is a deficient number, since it is larger than the sum of its proper divisors (11054649406).

12122001122 is a wasteful number, since it uses less digits than its factorization.

12122001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49791 (or 49784 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12122001122 its reverse (22110022121), we get a palindrome (34232023243).

The spelling of 12122001122 in words is "twelve billion, one hundred twenty-two million, one thousand, one hundred twenty-two".