13213252440224 has 12 divisors (see below), whose sum is σ = 26013590741754. Its totient is φ = 6606626220096.

The previous prime is 13213252440217. The next prime is 13213252440233. The reversal of 13213252440224 is 42204425231231.

It can be written as a sum of positive squares in only one way, i.e., 10372908490000 + 2840343950224 = 3220700^2 + 1685332^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206457069347 + ... + 206457069410.

Almost surely, 2^{13213252440224} is an apocalyptic number.

It is an amenable number.

13213252440224 is a deficient number, since it is larger than the sum of its proper divisors (12800338301530).

13213252440224 is an equidigital number, since it uses as much as digits as its factorization.

13213252440224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412914138767 (or 412914138759 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 13213252440224 its reverse (42204425231231), we get a palindrome (55417677671455).

The spelling of 13213252440224 in words is "thirteen trillion, two hundred thirteen billion, two hundred fifty-two million, four hundred forty thousand, two hundred twenty-four".