13100120043 has 16 divisors (see below), whose sum is σ = 18144870912. Its totient is φ = 8400392000.

The previous prime is 13100120041. The next prime is 13100120053. The reversal of 13100120043 is 34002100131.

It is a cyclic number.

It is not a de Polignac number, because 13100120043 - 2¹ = 13100120041 is a prime.

It is a super-2 number, since 2×13100120043² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13100120041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741303 + ... + 758768.

It is an arithmetic number, because the mean of its divisors is an integer number (1134054432).

Almost surely, 2^13100120043 is an apocalyptic number.

13100120043 is a deficient number, since it is larger than the sum of its proper divisors (5044750869).

13100120043 is a wasteful number, since it uses less digits than its factorization.

13100120043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500186.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 13100120043 its reverse (34002100131), we get a palindrome (47102220174).

The spelling of 13100120043 in words is "thirteen billion, one hundred million, one hundred twenty thousand, forty-three".