13261451061202 has 12 divisors (see below), whose sum is σ = 20176294185918. Its totient is φ = 6537335025200.

The previous prime is 13261451061169. The next prime is 13261451061217. The reversal of 13261451061202 is 20216015416231.

It can be written as a sum of positive squares in only one way, i.e., 7194781571481 + 6066669489721 = 2682309^2 + 2463061^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 657669499 + ... + 657689662.

Almost surely, 2^{13261451061202} is an apocalyptic number.

13261451061202 is a deficient number, since it is larger than the sum of its proper divisors (6914843124716).

13261451061202 is an equidigital number, since it uses as much as digits as its factorization.

13261451061202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315359305 (or 1315359234 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

Adding to 13261451061202 its reverse (20216015416231), we get a palindrome (33477466477433).

The spelling of 13261451061202 in words is "thirteen trillion, two hundred sixty-one billion, four hundred fifty-one million, sixty-one thousand, two hundred two".