12457799172096 has 240 divisors, whose sum is σ = 33841366493088. Its totient is φ = 4075211980800.

The previous prime is 12457799172059. The next prime is 12457799172163. The reversal of 12457799172096 is 69027199775421.

It is a self number, because there is not a number n which added to its sum of digits gives 12457799172096.

It is a congruent number.

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, 1382198886 + ... + 1382207898.

Almost surely, 2^{12457799172096} is an apocalyptic number.

12457799172096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12457799172096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16920683246544).

12457799172096 is an abundant number, since it is smaller than the sum of its proper divisors (21383567320992).

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

12457799172096 is an frugal number, since it uses more digits than its factorization.

12457799172096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9566 (or 9540 counting only the distinct ones).

The product of its (nonzero) digits is 120022560, while the sum is 69.

The spelling of 12457799172096 in words is "twelve trillion, four hundred fifty-seven billion, seven hundred ninety-nine million, one hundred seventy-two thousand, ninety-six".