12400303033 has 4 divisors (see below), whose sum is σ = 12407378548. Its totient is φ = 12393227520.

The previous prime is 12400303021. The next prime is 12400303061. The reversal of 12400303033 is 33030300421.

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 117679104 + 12282623929 = 10848^2 + 110827^2 .

It is a cyclic number.

It is not a de Polignac number, because 12400303033 - 2²⁹ = 11863432121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12400303033.

It is not an unprimeable number, because it can be changed into a prime (12400303073) 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, 3535128 + ... + 3538633.

It is an arithmetic number, because the mean of its divisors is an integer number (3101844637).

Almost surely, 2^12400303033 is an apocalyptic number.

It is an amenable number.

12400303033 is a deficient number, since it is larger than the sum of its proper divisors (7075515).

12400303033 is an equidigital number, since it uses as much as digits as its factorization.

12400303033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7075514.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 12400303033 its reverse (33030300421), we get a palindrome (45430603454).

The spelling of 12400303033 in words is "twelve billion, four hundred million, three hundred three thousand, thirty-three".