13122305405452 has 24 divisors (see below), whose sum is σ = 23103317745872. Its totient is φ = 6521396443200.

The previous prime is 13122305405449. The next prime is 13122305405477. The reversal of 13122305405452 is 25450450322131.

It is a happy number.

13122305405452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13122305405452² (a number of 27 digits) contains 22 as substring.

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, 3522258 + ... + 6216985.

Almost surely, 2^{13122305405452} is an apocalyptic number.

It is an amenable number.

13122305405452 is a deficient number, since it is larger than the sum of its proper divisors (9981012340420).

13122305405452 is a wasteful number, since it uses less digits than its factorization.

13122305405452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9741289 (or 9741287 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 13122305405452 its reverse (25450450322131), we get a palindrome (38572755727583).

The spelling of 13122305405452 in words is "thirteen trillion, one hundred twenty-two billion, three hundred five million, four hundred five thousand, four hundred fifty-two".