12555037000 has 128 divisors (see below), whose sum is σ = 32176310400. Its totient is φ = 4547424000.

The previous prime is 12555036953. The next prime is 12555037003. The reversal of 12555037000 is 73055521.

It is a self number, because there is not a number n which added to its sum of digits gives 12555037000.

It is not an unprimeable number, because it can be changed into a prime (12555037003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2956879 + ... + 2961121.

It is an arithmetic number, because the mean of its divisors is an integer number (251377425).

Almost surely, 2^12555037000 is an apocalyptic number.

12555037000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12555037000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16088155200).

12555037000 is an abundant number, since it is smaller than the sum of its proper divisors (19621273400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12555037000 is a wasteful number, since it uses less digits than its factorization.

12555037000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4544 (or 4530 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 28.

The spelling of 12555037000 in words is "twelve billion, five hundred fifty-five million, thirty-seven thousand".