12500405441540 has 24 divisors (see below), whose sum is σ = 26251184444352. Its totient is φ = 5000098744800.

The previous prime is 12500405441467. The next prime is 12500405441543. The reversal of 12500405441540 is 4514450400521.

12500405441540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12500405441540.

It is not an unprimeable number, because it can be changed into a prime (12500405441543) 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, 2332136 + ... + 5517215.

It is an arithmetic number, because the mean of its divisors is an integer number (1093799351848).

Almost surely, 2^{12500405441540} is an apocalyptic number.

12500405441540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12500405441540 is an abundant number, since it is smaller than the sum of its proper divisors (13750779002812).

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

12500405441540 is a wasteful number, since it uses less digits than its factorization.

12500405441540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7928987 (or 7928985 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

The spelling of 12500405441540 in words is "twelve trillion, five hundred billion, four hundred five million, four hundred forty-one thousand, five hundred forty".