12148681983 has 4 divisors (see below), whose sum is σ = 16198242648. Its totient is φ = 8099121320.

The previous prime is 12148681969. The next prime is 12148681991. The reversal of 12148681983 is 38918684121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12148681983 - 2¹³ = 12148673791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12148681583) 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, 2024780328 + ... + 2024780333.

It is an arithmetic number, because the mean of its divisors is an integer number (4049560662).

Almost surely, 2^12148681983 is an apocalyptic number.

12148681983 is a deficient number, since it is larger than the sum of its proper divisors (4049560665).

12148681983 is an equidigital number, since it uses as much as digits as its factorization.

12148681983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4049560664.

The product of its digits is 663552, while the sum is 51.

The spelling of 12148681983 in words is "twelve billion, one hundred forty-eight million, six hundred eighty-one thousand, nine hundred eighty-three".