12122112214 has 16 divisors (see below), whose sum is σ = 19144897200. Its totient is φ = 5740637184.

The previous prime is 12122112203. The next prime is 12122112217. The reversal of 12122112214 is 41221122121.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 12122112191 and 12122112200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122112217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125794 + ... + 200170.

It is an arithmetic number, because the mean of its divisors is an integer number (1196556075).

Almost surely, 2^12122112214 is an apocalyptic number.

12122112214 is a deficient number, since it is larger than the sum of its proper divisors (7022784986).

12122112214 is a wasteful number, since it uses less digits than its factorization.

12122112214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78687.

The product of its digits is 128, while the sum is 19.

Adding to 12122112214 its reverse (41221122121), we get a palindrome (53343234335).

The spelling of 12122112214 in words is "twelve billion, one hundred twenty-two million, one hundred twelve thousand, two hundred fourteen".