13124402021231 has 8 divisors (see below), whose sum is σ = 13740545533680. Its totient is φ = 12519163703872.

The previous prime is 13124402021207. The next prime is 13124402021233. The reversal of 13124402021231 is 13212020442131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13124402021231 - 2¹⁸ = 13124401759087 is a prime.

It is a super-2 number, since 2×13124402021231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13124402021231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13124402021233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2726296310 + ... + 2726301123.

It is an arithmetic number, because the mean of its divisors is an integer number (1717568191710).

Almost surely, 2^{13124402021231} is an apocalyptic number.

13124402021231 is a deficient number, since it is larger than the sum of its proper divisors (616143512449).

13124402021231 is an equidigital number, since it uses as much as digits as its factorization.

13124402021231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5452597545.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 13124402021231 its reverse (13212020442131), we get a palindrome (26336422463362).

The spelling of 13124402021231 in words is "thirteen trillion, one hundred twenty-four billion, four hundred two million, twenty-one thousand, two hundred thirty-one".