13221526054052 has 24 divisors (see below), whose sum is σ = 23185088236800. Its totient is φ = 6597227570976.

The previous prime is 13221526053977. The next prime is 13221526054063. The reversal of 13221526054052 is 25045062512231.

It is a junction number, because it is equal to n+sod(n) for n = 13221526053997 and 13221526054015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2699558 + ... + 5807810.

It is an arithmetic number, because the mean of its divisors is an integer number (966045343200).

Almost surely, 2^{13221526054052} is an apocalyptic number.

It is an amenable number.

13221526054052 is a deficient number, since it is larger than the sum of its proper divisors (9963562182748).

13221526054052 is a wasteful number, since it uses less digits than its factorization.

13221526054052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110435 (or 3110433 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 13221526054052 its reverse (25045062512231), we get a palindrome (38266588566283).

The spelling of 13221526054052 in words is "thirteen trillion, two hundred twenty-one billion, five hundred twenty-six million, fifty-four thousand, fifty-two".