12148784943 has 24 divisors (see below), whose sum is σ = 17391018288. Its totient is φ = 7537635072.

The previous prime is 12148784933. The next prime is 12148784957. The reversal of 12148784943 is 34948784121.

It is not a de Polignac number, because 12148784943 - 2⁵ = 12148784911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12148784933) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44730 + ... + 162167.

It is an arithmetic number, because the mean of its divisors is an integer number (724625762).

Almost surely, 2^12148784943 is an apocalyptic number.

12148784943 is a deficient number, since it is larger than the sum of its proper divisors (5242233345).

12148784943 is a wasteful number, since it uses less digits than its factorization.

12148784943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206983 (or 206960 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 51.

The spelling of 12148784943 in words is "twelve billion, one hundred forty-eight million, seven hundred eighty-four thousand, nine hundred forty-three".