12118934947648 has 112 divisors (see below), whose sum is σ = 24960464875008. Its totient is φ = 5837959680000.

The previous prime is 12118934947643. The next prime is 12118934947667. The reversal of 12118934947648 is 84674943981121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12118934947643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432789648 + ... + 432817648.

Almost surely, 2^{12118934947648} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12118934947648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12480232437504).

12118934947648 is an abundant number, since it is smaller than the sum of its proper divisors (12841529927360).

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

12118934947648 is an frugal number, since it uses more digits than its factorization.

12118934947648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28333 (or 28261 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 67.

The spelling of 12118934947648 in words is "twelve trillion, one hundred eighteen billion, nine hundred thirty-four million, nine hundred forty-seven thousand, six hundred forty-eight".