12450314500 has 72 divisors (see below), whose sum is σ = 29444235912. Its totient is φ = 4597008000.

The previous prime is 12450314477. The next prime is 12450314533. The reversal of 12450314500 is 541305421.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 12031457344 + 418857156 = 109688^2 + 20466^2 .

It is a super-2 number, since 2×12450314500² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10830 + ... + 158170.

It is an arithmetic number, because the mean of its divisors is an integer number (408947721).

Almost surely, 2^12450314500 is an apocalyptic number.

12450314500 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 12450314500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14722117956).

12450314500 is an abundant number, since it is smaller than the sum of its proper divisors (16993921412).

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

12450314500 is a wasteful number, since it uses less digits than its factorization.

12450314500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147386 (or 147361 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 12450314500 its reverse (541305421), we get a palindrome (12991619921).

The spelling of 12450314500 in words is "twelve billion, four hundred fifty million, three hundred fourteen thousand, five hundred".