12609547122 has 16 divisors (see below), whose sum is σ = 26702570592. Its totient is φ = 3955936320.

The previous prime is 12609547103. The next prime is 12609547123. The reversal of 12609547122 is 22174590621.

It is not an unprimeable number, because it can be changed into a prime (12609547123) 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, 61811404 + ... + 61811607.

It is an arithmetic number, because the mean of its divisors is an integer number (1668910662).

Almost surely, 2^12609547122 is an apocalyptic number.

12609547122 is an abundant number, since it is smaller than the sum of its proper divisors (14093023470).

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

12609547122 is a wasteful number, since it uses less digits than its factorization.

12609547122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123623033.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 12609547122 in words is "twelve billion, six hundred nine million, five hundred forty-seven thousand, one hundred twenty-two".