12122134222 has 64 divisors (see below), whose sum is σ = 20938756608. Its totient is φ = 5209776000.

The previous prime is 12122134187. The next prime is 12122134237. The reversal of 12122134222 is 22243122121.

It is a super-2 number, since 2×12122134222² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 12122134193 and 12122134202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26295072 + ... + 26295532.

It is an arithmetic number, because the mean of its divisors is an integer number (327168072).

Almost surely, 2^12122134222 is an apocalyptic number.

12122134222 is a deficient number, since it is larger than the sum of its proper divisors (8816622386).

12122134222 is a wasteful number, since it uses less digits than its factorization.

12122134222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985.

The product of its digits is 768, while the sum is 22.

Adding to 12122134222 its reverse (22243122121), we get a palindrome (34365256343).

The spelling of 12122134222 in words is "twelve billion, one hundred twenty-two million, one hundred thirty-four thousand, two hundred twenty-two".