12454514112500 has 144 divisors (see below), whose sum is σ = 27726966829296. Its totient is φ = 4893436800000.

The previous prime is 12454514112487. The next prime is 12454514112511. The reversal of 12454514112500 is 521141545421.

It can be written as a sum of positive squares in 24 ways, for example, as 10535723990884 + 1918790121616 = 3245878^2 + 1385204^2 .

It is a super-2 number, since 2×12454514112500² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 577201712 + ... + 577223288.

It is an arithmetic number, because the mean of its divisors is an integer number (192548380759).

Almost surely, 2^{12454514112500} is an apocalyptic number.

12454514112500 is a gapful number since it is divisible by the number (10) 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 12454514112500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13863483414648).

12454514112500 is an abundant number, since it is smaller than the sum of its proper divisors (15272452716796).

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

12454514112500 is an equidigital number, since it uses as much as digits as its factorization.

12454514112500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22424 (or 22402 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 35.

Adding to 12454514112500 its reverse (521141545421), we get a palindrome (12975655657921).

The spelling of 12454514112500 in words is "twelve trillion, four hundred fifty-four billion, five hundred fourteen million, one hundred twelve thousand, five hundred".