12898499346432 has 720 divisors, whose sum is σ = 44511120605952. Its totient is φ = 3656118435840.

The previous prime is 12898499346413. The next prime is 12898499346433. The reversal of 12898499346432 is 23464399489821.

12898499346432 is a `hidden beast` number, since 1 + 2 + 8 + 9 + 8 + 49 + 93 + 464 + 32 = 666.

It is a super-2 number, since 2×12898499346432² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (12898499346433) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3650861338 + ... + 3650864870.

Almost surely, 2^{12898499346432} is an apocalyptic number.

12898499346432 is a gapful number since it is divisible by the number (12) 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 12898499346432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22255560302976).

12898499346432 is an abundant number, since it is smaller than the sum of its proper divisors (31612621259520).

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

12898499346432 is an frugal number, since it uses more digits than its factorization.

12898499346432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3714 (or 3676 counting only the distinct ones).

The product of its digits is 644972544, while the sum is 72.

The spelling of 12898499346432 in words is "twelve trillion, eight hundred ninety-eight billion, four hundred ninety-nine million, three hundred forty-six thousand, four hundred thirty-two".