12400413033 has 4 divisors (see below), whose sum is σ = 16533884048. Its totient is φ = 8266942020.

The previous prime is 12400413019. The next prime is 12400413041. The reversal of 12400413033 is 33031400421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12400413033 - 2⁴ = 12400413017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12400413073) 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, 2066735503 + ... + 2066735508.

It is an arithmetic number, because the mean of its divisors is an integer number (4133471012).

Almost surely, 2^12400413033 is an apocalyptic number.

It is an amenable number.

12400413033 is a deficient number, since it is larger than the sum of its proper divisors (4133471015).

12400413033 is an equidigital number, since it uses as much as digits as its factorization.

12400413033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4133471014.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12400413033 its reverse (33031400421), we get a palindrome (45431813454).

The spelling of 12400413033 in words is "twelve billion, four hundred million, four hundred thirteen thousand, thirty-three".