12533020245 has 96 divisors (see below), whose sum is σ = 23931573120. Its totient is φ = 6270566400.

The previous prime is 12533020243. The next prime is 12533020301. The reversal of 12533020245 is 54202033521.

It is a happy number.

12533020245 is a `hidden beast` number, since 125 + 330 + 202 + 4 + 5 = 666.

It is not a de Polignac number, because 12533020245 - 2¹ = 12533020243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12533020243) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7827445 + ... + 7829045.

It is an arithmetic number, because the mean of its divisors is an integer number (249287220).

Almost surely, 2^12533020245 is an apocalyptic number.

12533020245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12533020245 is a deficient number, since it is larger than the sum of its proper divisors (11398552875).

12533020245 is a wasteful number, since it uses less digits than its factorization.

12533020245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017 (or 2005 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 12533020245 its reverse (54202033521), we get a palindrome (66735053766).

The spelling of 12533020245 in words is "twelve billion, five hundred thirty-three million, twenty thousand, two hundred forty-five".