12055003993 has 4 divisors (see below), whose sum is σ = 12220141108. Its totient is φ = 11889866880.

The previous prime is 12055003991. The next prime is 12055003999. The reversal of 12055003993 is 39930055021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10232738649 + 1822265344 = 101157^2 + 42688^2 .

It is a cyclic number.

It is not a de Polignac number, because 12055003993 - 2¹ = 12055003991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12055003991) 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, 82568448 + ... + 82568593.

It is an arithmetic number, because the mean of its divisors is an integer number (3055035277).

Almost surely, 2^12055003993 is an apocalyptic number.

It is an amenable number.

12055003993 is a deficient number, since it is larger than the sum of its proper divisors (165137115).

12055003993 is an equidigital number, since it uses as much as digits as its factorization.

12055003993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165137114.

The product of its (nonzero) digits is 36450, while the sum is 37.

The spelling of 12055003993 in words is "twelve billion, fifty-five million, three thousand, nine hundred ninety-three".