13124231440302 has 128 divisors (see below), whose sum is σ = 29292726159360. Its totient is φ = 3905007321600.

The previous prime is 13124231440283. The next prime is 13124231440319. The reversal of 13124231440302 is 20304413242131.

It is a super-2 number, since 2×13124231440302² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13124231440302.

It is a congruent number.

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, 22065688 + ... + 22652660.

It is an arithmetic number, because the mean of its divisors is an integer number (228849423120).

Almost surely, 2^{13124231440302} is an apocalyptic number.

13124231440302 is an abundant number, since it is smaller than the sum of its proper divisors (16168494719058).

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

13124231440302 is a wasteful number, since it uses less digits than its factorization.

13124231440302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587218.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 13124231440302 its reverse (20304413242131), we get a palindrome (33428644682433).

The spelling of 13124231440302 in words is "thirteen trillion, one hundred twenty-four billion, two hundred thirty-one million, four hundred forty thousand, three hundred two".