13124121040 has 160 divisors (see below), whose sum is σ = 32992638336. Its totient is φ = 4837294080.

The previous prime is 13124121037. The next prime is 13124121067. The reversal of 13124121040 is 4012142131.

It is a junction number, because it is equal to n+sod(n) for n = 13124120999 and 13124121017.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 16182235 + ... + 16183045.

Almost surely, 2^13124121040 is an apocalyptic number.

13124121040 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 13124121040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16496319168).

13124121040 is an abundant number, since it is smaller than the sum of its proper divisors (19868517296).

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

13124121040 is a wasteful number, since it uses less digits than its factorization.

13124121040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077 (or 1071 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 13124121040 its reverse (4012142131), we get a palindrome (17136263171).

The spelling of 13124121040 in words is "thirteen billion, one hundred twenty-four million, one hundred twenty-one thousand, forty".