13124405221231 has 16 divisors (see below), whose sum is σ = 14132103264000. Its totient is φ = 12143632152960.

The previous prime is 13124405221181. The next prime is 13124405221247. The reversal of 13124405221231 is 13212250442131.

It is a cyclic number.

It is not a de Polignac number, because 13124405221231 - 2¹⁵ = 13124405188463 is a prime.

It is a super-2 number, since 2×13124405221231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13124405221193 and 13124405221202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13124405221271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10977475 + ... + 12114196.

It is an arithmetic number, because the mean of its divisors is an integer number (883256454000).

Almost surely, 2^{13124405221231} is an apocalyptic number.

13124405221231 is a deficient number, since it is larger than the sum of its proper divisors (1007698042769).

13124405221231 is a wasteful number, since it uses less digits than its factorization.

13124405221231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23092254.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 13124405221231 its reverse (13212250442131), we get a palindrome (26336655663362).

The spelling of 13124405221231 in words is "thirteen trillion, one hundred twenty-four billion, four hundred five million, two hundred twenty-one thousand, two hundred thirty-one".