13124512420 has 24 divisors (see below), whose sum is σ = 27564110784. Its totient is φ = 5249303136.

The previous prime is 13124512411. The next prime is 13124512433. The reversal of 13124512420 is 2421542131.

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 7 ways as a sum of consecutive naturals, for example, 240609 + ... + 290071.

It is an arithmetic number, because the mean of its divisors is an integer number (1148504616).

Almost surely, 2^13124512420 is an apocalyptic number.

13124512420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13124512420 is an abundant number, since it is smaller than the sum of its proper divisors (14439598364).

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

13124512420 is a wasteful number, since it uses less digits than its factorization.

13124512420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62739 (or 62737 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The spelling of 13124512420 in words is "thirteen billion, one hundred twenty-four million, five hundred twelve thousand, four hundred twenty".