12409222120 has 16 divisors (see below), whose sum is σ = 27920749860. Its totient is φ = 4963688832.

The previous prime is 12409222099. The next prime is 12409222121. The reversal of 12409222120 is 2122290421.

It can be written as a sum of positive squares in 2 ways, for example, as 12235456996 + 173765124 = 110614^2 + 13182^2 .

It is not an unprimeable number, because it can be changed into a prime (12409222121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155115237 + ... + 155115316.

Almost surely, 2^12409222120 is an apocalyptic number.

12409222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12409222120 is an abundant number, since it is smaller than the sum of its proper divisors (15511527740).

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

12409222120 is a wasteful number, since it uses less digits than its factorization.

12409222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310230564 (or 310230560 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 12409222120 in words is "twelve billion, four hundred nine million, two hundred twenty-two thousand, one hundred twenty".