13021303312232 has 8 divisors (see below), whose sum is σ = 24414943710450. Its totient is φ = 6510651656112.

The previous prime is 13021303312219. The next prime is 13021303312327. The reversal of 13021303312232 is 23221330312031.

13021303312232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12575151453316 + 446151858916 = 3546146^2 + 667946^2 .

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, 813831457007 + ... + 813831457022.

Almost surely, 2^{13021303312232} is an apocalyptic number.

It is an amenable number.

13021303312232 is a deficient number, since it is larger than the sum of its proper divisors (11393640398218).

13021303312232 is a wasteful number, since it uses less digits than its factorization.

13021303312232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627662914035 (or 1627662914031 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 13021303312232 its reverse (23221330312031), we get a palindrome (36242633624263).

The spelling of 13021303312232 in words is "thirteen trillion, twenty-one billion, three hundred three million, three hundred twelve thousand, two hundred thirty-two".