12045523237 has 4 divisors (see below), whose sum is σ = 13140570816. Its totient is φ = 10950475660.

The previous prime is 12045523211. The next prime is 12045523253. The reversal of 12045523237 is 73232554021.

12045523237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12045523237 - 2¹⁵ = 12045490469 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 (12045521237) 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 3 ways as a sum of consecutive naturals, for example, 547523773 + ... + 547523794.

It is an arithmetic number, because the mean of its divisors is an integer number (3285142704).

Almost surely, 2^12045523237 is an apocalyptic number.

It is an amenable number.

12045523237 is a deficient number, since it is larger than the sum of its proper divisors (1095047579).

12045523237 is a wasteful number, since it uses less digits than its factorization.

12045523237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095047578.

The product of its (nonzero) digits is 50400, while the sum is 34.

The spelling of 12045523237 in words is "twelve billion, forty-five million, five hundred twenty-three thousand, two hundred thirty-seven".