13124210240 has 28 divisors (see below), whose sum is σ = 31252026396. Its totient is φ = 5249683968.

The previous prime is 13124210221. The next prime is 13124210261. The reversal of 13124210240 is 4201242131.

It can be written as a sum of positive squares in 2 ways, for example, as 5248712704 + 7875497536 = 72448^2 + 88744^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20506259 + ... + 20506898.

Almost surely, 2^13124210240 is an apocalyptic number.

13124210240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13124210240 is an abundant number, since it is smaller than the sum of its proper divisors (18127816156).

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

13124210240 is an equidigital number, since it uses as much as digits as its factorization.

13124210240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41013174 (or 41013164 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 13124210240 its reverse (4201242131), we get a palindrome (17325452371).

The spelling of 13124210240 in words is "thirteen billion, one hundred twenty-four million, two hundred ten thousand, two hundred forty".