12407012533 has 2 divisors, whose sum is σ = 12407012534. Its totient is φ = 12407012532.

The previous prime is 12407012503. The next prime is 12407012549. The reversal of 12407012533 is 33521070421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8003628369 + 4403384164 = 89463^2 + 66358^2 .

It is a cyclic number.

It is not a de Polignac number, because 12407012533 - 2⁹ = 12407012021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12407012503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6203506266 + 6203506267.

It is an arithmetic number, because the mean of its divisors is an integer number (6203506267).

Almost surely, 2^12407012533 is an apocalyptic number.

It is an amenable number.

12407012533 is a deficient number, since it is larger than the sum of its proper divisors (1).

12407012533 is an equidigital number, since it uses as much as digits as its factorization.

12407012533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 12407012533 its reverse (33521070421), we get a palindrome (45928082954).

The spelling of 12407012533 in words is "twelve billion, four hundred seven million, twelve thousand, five hundred thirty-three".