13124243142220 has 192 divisors, whose sum is σ = 32364573696000. Its totient is φ = 4468512303360.

The previous prime is 13124243142187. The next prime is 13124243142233. The reversal of 13124243142220 is 2224134242131.

It is a super-2 number, since 2×13124243142220² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 917579589 + ... + 917593891.

It is an arithmetic number, because the mean of its divisors is an integer number (168565488000).

Almost surely, 2^{13124243142220} is an apocalyptic number.

13124243142220 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 13124243142220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16182286848000).

13124243142220 is an abundant number, since it is smaller than the sum of its proper divisors (19240330553780).

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

13124243142220 is a wasteful number, since it uses less digits than its factorization.

13124243142220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15253 (or 15237 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 13124243142220 its reverse (2224134242131), we get a palindrome (15348377384351).

The spelling of 13124243142220 in words is "thirteen trillion, one hundred twenty-four billion, two hundred forty-three million, one hundred forty-two thousand, two hundred twenty".