13124431420012 has 36 divisors (see below), whose sum is σ = 26343181449648. Its totient is φ = 5706274525600.

The previous prime is 13124431419929. The next prime is 13124431420069. The reversal of 13124431420012 is 21002413442131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 589480039 + ... + 589502302.

It is an arithmetic number, because the mean of its divisors is an integer number (731755040268).

Almost surely, 2^{13124431420012} is an apocalyptic number.

It is an amenable number.

13124431420012 is an abundant number, since it is smaller than the sum of its proper divisors (13218750029636).

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

13124431420012 is a wasteful number, since it uses less digits than its factorization.

13124431420012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178982390 (or 1178982377 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 13124431420012 its reverse (21002413442131), we get a palindrome (34126844862143).

The spelling of 13124431420012 in words is "thirteen trillion, one hundred twenty-four billion, four hundred thirty-one million, four hundred twenty thousand, twelve".