12287477850285 has 64 divisors (see below), whose sum is σ = 22274904416256. Its totient is φ = 5730014649600.

The previous prime is 12287477850283. The next prime is 12287477850289. The reversal of 12287477850285 is 58205877478221.

It is not a de Polignac number, because 12287477850285 - 2¹ = 12287477850283 is a prime.

It is a super-2 number, since 2×12287477850285² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12287477850283) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6535102 + ... + 8202591.

It is an arithmetic number, because the mean of its divisors is an integer number (348045381504).

Almost surely, 2^{12287477850285} is an apocalyptic number.

12287477850285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12287477850285 is a deficient number, since it is larger than the sum of its proper divisors (9987426565971).

12287477850285 is a wasteful number, since it uses less digits than its factorization.

12287477850285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14737906.

The product of its (nonzero) digits is 140492800, while the sum is 66.

The spelling of 12287477850285 in words is "twelve trillion, two hundred eighty-seven billion, four hundred seventy-seven million, eight hundred fifty thousand, two hundred eighty-five".