12817230048 has 120 divisors (see below), whose sum is σ = 43080195312. Its totient is φ = 3662060544.

The previous prime is 12817230001. The next prime is 12817230059. The reversal of 12817230048 is 84003271821.

12817230048 is a `hidden beast` number, since 1 + 281 + 72 + 300 + 4 + 8 = 666.

It is a super-2 number, since 2×12817230048² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 12817229994 and 12817230021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 335065 + ... + 371352.

Almost surely, 2^12817230048 is an apocalyptic number.

12817230048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12817230048 is an abundant number, since it is smaller than the sum of its proper divisors (30262965264).

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

12817230048 is an equidigital number, since it uses as much as digits as its factorization.

12817230048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706446 (or 706429 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The spelling of 12817230048 in words is "twelve billion, eight hundred seventeen million, two hundred thirty thousand, forty-eight".