13121122133410 has 48 divisors (see below), whose sum is σ = 25089836060520. Its totient is φ = 4939559516160.

The previous prime is 13121122133401. The next prime is 13121122133443. The reversal of 13121122133410 is 1433122112131.

It can be written as a sum of positive squares in 12 ways, for example, as 8563541880609 + 4557580252801 = 2926353^2 + 2134849^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133783990 + ... + 133882030.

Almost surely, 2^{13121122133410} is an apocalyptic number.

13121122133410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13121122133410 is a deficient number, since it is larger than the sum of its proper divisors (11968713927110).

13121122133410 is a wasteful number, since it uses less digits than its factorization.

13121122133410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144391 (or 144374 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 13121122133410 its reverse (1433122112131), we get a palindrome (14554244245541).

The spelling of 13121122133410 in words is "thirteen trillion, one hundred twenty-one billion, one hundred twenty-two million, one hundred thirty-three thousand, four hundred ten".