12533212551 has 16 divisors (see below), whose sum is σ = 17253347328. Its totient is φ = 8087486400.

The previous prime is 12533212543. The next prime is 12533212567. The reversal of 12533212551 is 15521233521.

12533212551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12533212551 - 2³ = 12533212543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12533212051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385545 + ... + 416786.

It is an arithmetic number, because the mean of its divisors is an integer number (1078334208).

Almost surely, 2^12533212551 is an apocalyptic number.

12533212551 is a deficient number, since it is larger than the sum of its proper divisors (4720134777).

12533212551 is a wasteful number, since it uses less digits than its factorization.

12533212551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802502.

The product of its digits is 9000, while the sum is 30.

The spelling of 12533212551 in words is "twelve billion, five hundred thirty-three million, two hundred twelve thousand, five hundred fifty-one".