12287038654506 has 256 divisors, whose sum is σ = 32575174410240. Its totient is φ = 2993054872320.

The previous prime is 12287038654483. The next prime is 12287038654519. The reversal of 12287038654506 is 60545683078221.

It is a super-2 number, since 2×12287038654506² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1590139615 + ... + 1590147341.

It is an arithmetic number, because the mean of its divisors is an integer number (127246775040).

Almost surely, 2^{12287038654506} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12287038654506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16287587205120).

12287038654506 is an abundant number, since it is smaller than the sum of its proper divisors (20288135755734).

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

12287038654506 is a wasteful number, since it uses less digits than its factorization.

12287038654506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9569.

The product of its (nonzero) digits is 19353600, while the sum is 57.

The spelling of 12287038654506 in words is "twelve trillion, two hundred eighty-seven billion, thirty-eight million, six hundred fifty-four thousand, five hundred six".