12948181371 has 24 divisors (see below), whose sum is σ = 19846706880. Its totient is φ = 8431367112.

The previous prime is 12948181369. The next prime is 12948181381. The reversal of 12948181371 is 17318184921.

It is a happy number.

12948181371 is a `hidden beast` number, since 1 + 29 + 481 + 81 + 3 + 71 = 666.

12948181371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12948181371 - 2¹ = 12948181369 is a prime.

It is a super-2 number, since 2×12948181371² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12948181381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 609141 + ... + 630038.

It is an arithmetic number, because the mean of its divisors is an integer number (826946120).

Almost surely, 2^12948181371 is an apocalyptic number.

12948181371 is a deficient number, since it is larger than the sum of its proper divisors (6898525509).

12948181371 is an equidigital number, since it uses as much as digits as its factorization.

12948181371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239237 (or 1239225 counting only the distinct ones).

The product of its digits is 96768, while the sum is 45.

The spelling of 12948181371 in words is "twelve billion, nine hundred forty-eight million, one hundred eighty-one thousand, three hundred seventy-one".