12003041405 has 4 divisors (see below), whose sum is σ = 14403649692. Its totient is φ = 9602433120.

The previous prime is 12003041389. The next prime is 12003041411. The reversal of 12003041405 is 50414030021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50414030021 = 5501 ⋅9164521.

It can be written as a sum of positive squares in 2 ways, for example, as 7111717561 + 4891323844 = 84331^2 + 69938^2 .

It is not a de Polignac number, because 12003041405 - 2⁴ = 12003041389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1200304136 + ... + 1200304145.

It is an arithmetic number, because the mean of its divisors is an integer number (3600912423).

Almost surely, 2^12003041405 is an apocalyptic number.

It is an amenable number.

12003041405 is a deficient number, since it is larger than the sum of its proper divisors (2400608287).

12003041405 is an equidigital number, since it uses as much as digits as its factorization.

12003041405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400608286.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 12003041405 its reverse (50414030021), we get a palindrome (62417071426).

The spelling of 12003041405 in words is "twelve billion, three million, forty-one thousand, four hundred five".