13105121302 has 32 divisors (see below), whose sum is σ = 24200576064. Its totient is φ = 5183049600.

The previous prime is 13105121291. The next prime is 13105121303. The reversal of 13105121302 is 20312150131.

It is a self number, because there is not a number n which added to its sum of digits gives 13105121302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13105121303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 906652 + ... + 920992.

It is an arithmetic number, because the mean of its divisors is an integer number (756268002).

Almost surely, 2^13105121302 is an apocalyptic number.

13105121302 is a deficient number, since it is larger than the sum of its proper divisors (11095454762).

13105121302 is a wasteful number, since it uses less digits than its factorization.

13105121302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19384.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 13105121302 its reverse (20312150131), we get a palindrome (33417271433).

The spelling of 13105121302 in words is "thirteen billion, one hundred five million, one hundred twenty-one thousand, three hundred two".