13122453320402 has 8 divisors (see below), whose sum is σ = 19686364262796. Its totient is φ = 6560331899472.

The previous prime is 13122453320401. The next prime is 13122453320429. The reversal of 13122453320402 is 20402335422131.

It can be written as a sum of positive squares in 2 ways, for example, as 12011138872681 + 1111314447721 = 3465709^2 + 1054189^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13122453320402² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13122453320401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447362033 + ... + 447391364.

Almost surely, 2^{13122453320402} is an apocalyptic number.

13122453320402 is a deficient number, since it is larger than the sum of its proper divisors (6563910942394).

13122453320402 is an equidigital number, since it uses as much as digits as its factorization.

13122453320402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894760732.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 13122453320402 its reverse (20402335422131), we get a palindrome (33524788742533).

The spelling of 13122453320402 in words is "thirteen trillion, one hundred twenty-two billion, four hundred fifty-three million, three hundred twenty thousand, four hundred two".