13124404420000 has 240 divisors, whose sum is σ = 32624659267200. Its totient is φ = 5195145600000.

The previous prime is 13124404419991. The next prime is 13124404420031. The reversal of 13124404420000 is 2440442131.

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 39 ways as a sum of consecutive naturals, for example, 2003416725 + ... + 2003423275.

It is an arithmetic number, because the mean of its divisors is an integer number (135936080280).

Almost surely, 2^{13124404420000} is an apocalyptic number.

13124404420000 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 13124404420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16312329633600).

13124404420000 is an abundant number, since it is smaller than the sum of its proper divisors (19500254847200).

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

13124404420000 is an equidigital number, since it uses as much as digits as its factorization.

13124404420000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7609 (or 7586 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 13124404420000 its reverse (2440442131), we get a palindrome (13126844862131).

The spelling of 13124404420000 in words is "thirteen trillion, one hundred twenty-four billion, four hundred four million, four hundred twenty thousand".