12555524542000 has 160 divisors (see below), whose sum is σ = 33237069173568. Its totient is φ = 4549395200000.

The previous prime is 12555524541977. The next prime is 12555524542007. The reversal of 12555524542000 is 24542555521.

12555524542000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (12555524542007) 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, 5166510 + ... + 7197490.

Almost surely, 2^{12555524542000} is an apocalyptic number.

12555524542000 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 12555524542000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16618534586784).

12555524542000 is an abundant number, since it is smaller than the sum of its proper divisors (20681544631568).

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

12555524542000 is a wasteful number, since it uses less digits than its factorization.

12555524542000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031296 (or 2031280 counting only the distinct ones).

The product of its (nonzero) digits is 400000, while the sum is 40.

The spelling of 12555524542000 in words is "twelve trillion, five hundred fifty-five billion, five hundred twenty-four million, five hundred forty-two thousand".