13012213240424 has 8 divisors (see below), whose sum is σ = 24397899825810. Its totient is φ = 6506106620208.

The previous prime is 13012213240409. The next prime is 13012213240483. The reversal of 13012213240424 is 42404231221031.

It can be written as a sum of positive squares in only one way, i.e., 10992659608324 + 2019553632100 = 3315518^2 + 1421110^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 813263327519 + ... + 813263327534.

Almost surely, 2^{13012213240424} is an apocalyptic number.

It is an amenable number.

13012213240424 is a deficient number, since it is larger than the sum of its proper divisors (11385686585386).

13012213240424 is a wasteful number, since it uses less digits than its factorization.

13012213240424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626526655059 (or 1626526655055 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 13012213240424 its reverse (42404231221031), we get a palindrome (55416444461455).

The spelling of 13012213240424 in words is "thirteen trillion, twelve billion, two hundred thirteen million, two hundred forty thousand, four hundred twenty-four".