12872284491 has 16 divisors (see below), whose sum is σ = 19368956160. Its totient is φ = 7532370720.

The previous prime is 12872284463. The next prime is 12872284499. The reversal of 12872284491 is 19448227821.

It is not a de Polignac number, because 12872284491 - 2⁵ = 12872284459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12872284491.

It is not an unprimeable number, because it can be changed into a prime (12872284499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6724375 + ... + 6726288.

It is an arithmetic number, because the mean of its divisors is an integer number (1210559760).

Almost surely, 2^12872284491 is an apocalyptic number.

12872284491 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12872284491 is a deficient number, since it is larger than the sum of its proper divisors (6496671669).

12872284491 is a wasteful number, since it uses less digits than its factorization.

12872284491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13450706.

The product of its digits is 516096, while the sum is 48.

The spelling of 12872284491 in words is "twelve billion, eight hundred seventy-two million, two hundred eighty-four thousand, four hundred ninety-one".