12387880859648 has 144 divisors (see below), whose sum is σ = 28923435318960. Its totient is φ = 5196119113728.

The previous prime is 12387880859633. The next prime is 12387880859657. The reversal of 12387880859648 is 84695808878321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31472636 + ... + 31863812.

It is an arithmetic number, because the mean of its divisors is an integer number (200857189715).

It is a 1-persistent number, because it is pandigital, but 2⋅12387880859648 = 24775761719296 is not.

Almost surely, 2^{12387880859648} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12387880859648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14461717659480).

12387880859648 is an abundant number, since it is smaller than the sum of its proper divisors (16535554459312).

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

12387880859648 is an frugal number, since it uses more digits than its factorization.

12387880859648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391300 (or 391233 counting only the distinct ones).

The product of its (nonzero) digits is 1486356480, while the sum is 77.

The spelling of 12387880859648 in words is "twelve trillion, three hundred eighty-seven billion, eight hundred eighty million, eight hundred fifty-nine thousand, six hundred forty-eight".