12129608848 has 40 divisors (see below), whose sum is σ = 27429887232. Its totient is φ = 5087797248.

The previous prime is 12129608839. The next prime is 12129608849. The reversal of 12129608848 is 84880692121.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12129608849) 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, 1146865 + ... + 1157392.

Almost surely, 2^12129608848 is an apocalyptic number.

It is an amenable number.

12129608848 is an abundant number, since it is smaller than the sum of its proper divisors (15300278384).

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

12129608848 is a wasteful number, since it uses less digits than its factorization.

12129608848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304319 (or 2304313 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 49.

The spelling of 12129608848 in words is "twelve billion, one hundred twenty-nine million, six hundred eight thousand, eight hundred forty-eight".