12528234437 has 8 divisors (see below), whose sum is σ = 12622747200. Its totient is φ = 12433784544.

The previous prime is 12528234361. The next prime is 12528234461. The reversal of 12528234437 is 73443282521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12528234437 - 2²⁰ = 12527185861 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12528234394 and 12528234403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12528234637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432008 + ... + 460094.

It is an arithmetic number, because the mean of its divisors is an integer number (1577843400).

Almost surely, 2^12528234437 is an apocalyptic number.

It is an amenable number.

12528234437 is a deficient number, since it is larger than the sum of its proper divisors (94512763).

12528234437 is a wasteful number, since it uses less digits than its factorization.

12528234437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31435.

The product of its digits is 322560, while the sum is 41.

The spelling of 12528234437 in words is "twelve billion, five hundred twenty-eight million, two hundred thirty-four thousand, four hundred thirty-seven".