12406001540533 has 2 divisors, whose sum is σ = 12406001540534. Its totient is φ = 12406001540532.

The previous prime is 12406001540489. The next prime is 12406001540549. The reversal of 12406001540533 is 33504510060421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9160894729809 + 3245106810724 = 3026697^2 + 1801418^2 .

It is a cyclic number.

It is not a de Polignac number, because 12406001540533 - 2⁴¹ = 10206978284981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12406007540533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6203000770266 + 6203000770267.

It is an arithmetic number, because the mean of its divisors is an integer number (6203000770267).

Almost surely, 2^{12406001540533} is an apocalyptic number.

It is an amenable number.

12406001540533 is a deficient number, since it is larger than the sum of its proper divisors (1).

12406001540533 is an equidigital number, since it uses as much as digits as its factorization.

12406001540533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 12406001540533 in words is "twelve trillion, four hundred six billion, one million, five hundred forty thousand, five hundred thirty-three".