13122314552 has 32 divisors (see below), whose sum is σ = 26057434320. Its totient is φ = 6173836800.

The previous prime is 13122314551. The next prime is 13122314561. The reversal of 13122314552 is 25541322131.

It is a super-3 number, since 3×13122314552³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122314551) 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, 869858 + ... + 884814.

Almost surely, 2^13122314552 is an apocalyptic number.

It is an amenable number.

13122314552 is a deficient number, since it is larger than the sum of its proper divisors (12935119768).

13122314552 is a wasteful number, since it uses less digits than its factorization.

13122314552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21431 (or 21427 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

Adding to 13122314552 its reverse (25541322131), we get a palindrome (38663636683).

The spelling of 13122314552 in words is "thirteen billion, one hundred twenty-two million, three hundred fourteen thousand, five hundred fifty-two".