12005144983 has 24 divisors (see below), whose sum is σ = 13871199888. Its totient is φ = 10291411968.

The previous prime is 12005144917. The next prime is 12005145001. The reversal of 12005144983 is 38944150021.

It is not a de Polignac number, because 12005144983 - 2¹³ = 12005136791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12005144903) 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, 14839083 + ... + 14839891.

It is an arithmetic number, because the mean of its divisors is an integer number (577966662).

Almost surely, 2^12005144983 is an apocalyptic number.

12005144983 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12005144983 is a deficient number, since it is larger than the sum of its proper divisors (1866054905).

12005144983 is an frugal number, since it uses more digits than its factorization.

12005144983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731 (or 922 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 12005144983 in words is "twelve billion, five million, one hundred forty-four thousand, nine hundred eighty-three".