12083938421 has 16 divisors (see below), whose sum is σ = 13422153600. Its totient is φ = 10827134208.

The previous prime is 12083938409. The next prime is 12083938429. The reversal of 12083938421 is 12483938021.

It is a cyclic number.

It is not a de Polignac number, because 12083938421 - 2¹⁸ = 12083676277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12083938429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116456 + ... + 194241.

It is an arithmetic number, because the mean of its divisors is an integer number (838884600).

Almost surely, 2^12083938421 is an apocalyptic number.

It is an amenable number.

12083938421 is a deficient number, since it is larger than the sum of its proper divisors (1338215179).

12083938421 is a wasteful number, since it uses less digits than its factorization.

12083938421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310828.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 12083938421 in words is "twelve billion, eighty-three million, nine hundred thirty-eight thousand, four hundred twenty-one".