12122002009 has 8 divisors (see below), whose sum is σ = 13140919232. Its totient is φ = 11115435600.

The previous prime is 12122001979. The next prime is 12122002019. The reversal of 12122002009 is 90020022121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12122002009 - 2¹³ = 12121993817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12122002019) 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, 3085659 + ... + 3089584.

It is an arithmetic number, because the mean of its divisors is an integer number (1642614904).

Almost surely, 2^12122002009 is an apocalyptic number.

It is an amenable number.

12122002009 is a deficient number, since it is larger than the sum of its proper divisors (1018917223).

12122002009 is a wasteful number, since it uses less digits than its factorization.

12122002009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6175407.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 12122002009 in words is "twelve billion, one hundred twenty-two million, two thousand, nine".