13143452121205 has 32 divisors (see below), whose sum is σ = 18134008542720. Its totient is φ = 8958306067200.

The previous prime is 13143452121169. The next prime is 13143452121211. The reversal of 13143452121205 is 50212125434131.

It is not a de Polignac number, because 13143452121205 - 2⁷ = 13143452121077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 257744851 + ... + 257795839.

It is an arithmetic number, because the mean of its divisors is an integer number (566687766960).

Almost surely, 2^{13143452121205} is an apocalyptic number.

It is an amenable number.

13143452121205 is a deficient number, since it is larger than the sum of its proper divisors (4990556421515).

13143452121205 is a wasteful number, since it uses less digits than its factorization.

13143452121205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95269.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 13143452121205 its reverse (50212125434131), we get a palindrome (63355577555336).

The spelling of 13143452121205 in words is "thirteen trillion, one hundred forty-three billion, four hundred fifty-two million, one hundred twenty-one thousand, two hundred five".