12154670608 has 20 divisors (see below), whose sum is σ = 24934949820. Its totient is φ = 5719844864.

The previous prime is 12154670603. The next prime is 12154670663. The reversal of 12154670608 is 80607645121.

It can be written as a sum of positive squares in 2 ways, for example, as 10492314624 + 1662355984 = 102432^2 + 40772^2 .

It is not an unprimeable number, because it can be changed into a prime (12154670603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22342873 + ... + 22343416.

It is an arithmetic number, because the mean of its divisors is an integer number (1246747491).

Almost surely, 2^12154670608 is an apocalyptic number.

It is an amenable number.

12154670608 is an abundant number, since it is smaller than the sum of its proper divisors (12780279212).

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

12154670608 is a wasteful number, since it uses less digits than its factorization.

12154670608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44686314 (or 44686308 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 12154670608 in words is "twelve billion, one hundred fifty-four million, six hundred seventy thousand, six hundred eight".