12434271216320 has 28 divisors (see below), whose sum is σ = 29609108334624. Its totient is φ = 4973708486400.

The previous prime is 12434271216313. The next prime is 12434271216331. The reversal of 12434271216320 is 2361217243421.

It is a super-2 number, since 2×12434271216320² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19428548456 + ... + 19428549095.

It is an arithmetic number, because the mean of its divisors is an integer number (1057468154808).

Almost surely, 2^{12434271216320} is an apocalyptic number.

12434271216320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12434271216320 is an abundant number, since it is smaller than the sum of its proper divisors (17174837118304).

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

12434271216320 is an equidigital number, since it uses as much as digits as its factorization.

12434271216320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38857097568 (or 38857097558 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

Adding to 12434271216320 its reverse (2361217243421), we get a palindrome (14795488459741).

The spelling of 12434271216320 in words is "twelve trillion, four hundred thirty-four billion, two hundred seventy-one million, two hundred sixteen thousand, three hundred twenty".