12122213320 has 32 divisors (see below), whose sum is σ = 31171406400. Its totient is φ = 4156187328.

The previous prime is 12122213317. The next prime is 12122213321. The reversal of 12122213320 is 2331222121.

It is not an unprimeable number, because it can be changed into a prime (12122213321) 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, 21646530 + ... + 21647089.

It is an arithmetic number, because the mean of its divisors is an integer number (974106450).

Almost surely, 2^12122213320 is an apocalyptic number.

12122213320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122213320 is an abundant number, since it is smaller than the sum of its proper divisors (19049193080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12122213320 is a wasteful number, since it uses less digits than its factorization.

12122213320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43293637 (or 43293633 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12122213320 its reverse (2331222121), we get a palindrome (14453435441).

The spelling of 12122213320 in words is "twelve billion, one hundred twenty-two million, two hundred thirteen thousand, three hundred twenty".