12287305773420 has 48 divisors (see below), whose sum is σ = 34404690052320. Its totient is φ = 3276592598016.

The previous prime is 12287305773409. The next prime is 12287305773443. The reversal of 12287305773420 is 2437750378221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9417876 + ... + 10642884.

It is an arithmetic number, because the mean of its divisors is an integer number (716764376090).

Almost surely, 2^{12287305773420} is an apocalyptic number.

12287305773420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12287305773420 is an abundant number, since it is smaller than the sum of its proper divisors (22117384278900).

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

12287305773420 is a wasteful number, since it uses less digits than its factorization.

12287305773420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392194 (or 1392192 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 51.

The spelling of 12287305773420 in words is "twelve trillion, two hundred eighty-seven billion, three hundred five million, seven hundred seventy-three thousand, four hundred twenty".