12533021332501 has 4 divisors (see below), whose sum is σ = 12533447843712. Its totient is φ = 12532594821292.

The previous prime is 12533021332499. The next prime is 12533021332523. The reversal of 12533021332501 is 10523312033521.

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 a cyclic number.

It is not a de Polignac number, because 12533021332501 - 2¹ = 12533021332499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12533021332301) 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, 213211525 + ... + 213270298.

It is an arithmetic number, because the mean of its divisors is an integer number (3133361960928).

Almost surely, 2^{12533021332501} is an apocalyptic number.

It is an amenable number.

12533021332501 is a deficient number, since it is larger than the sum of its proper divisors (426511211).

12533021332501 is an equidigital number, since it uses as much as digits as its factorization.

12533021332501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426511210.

The product of its (nonzero) digits is 16200, while the sum is 31.

The spelling of 12533021332501 in words is "twelve trillion, five hundred thirty-three billion, twenty-one million, three hundred thirty-two thousand, five hundred one".