12477974102528 has 80 divisors (see below), whose sum is σ = 27246920621184. Its totient is φ = 5661622210560.

The previous prime is 12477974102491. The next prime is 12477974102543. The reversal of 12477974102528 is 82520147977421.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1148201 + ... + 5125847.

Almost surely, 2^{12477974102528} 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 12477974102528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13623460310592).

12477974102528 is an abundant number, since it is smaller than the sum of its proper divisors (14768946518656).

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

12477974102528 is an equidigital number, since it uses as much as digits as its factorization.

12477974102528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3978233 (or 3978217 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 59.

The spelling of 12477974102528 in words is "twelve trillion, four hundred seventy-seven billion, nine hundred seventy-four million, one hundred two thousand, five hundred twenty-eight".