13101201123 has 32 divisors (see below), whose sum is σ = 17847086400. Its totient is φ = 8547280896.

The previous prime is 13101201107. The next prime is 13101201173. The reversal of 13101201123 is 32110210131.

It is a happy number.

It is not a de Polignac number, because 13101201123 - 2⁴ = 13101201107 is a prime.

It is a super-2 number, since 2×13101201123² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13101201173) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12255033 + ... + 12256101.

It is an arithmetic number, because the mean of its divisors is an integer number (557721450).

Almost surely, 2^13101201123 is an apocalyptic number.

13101201123 is a deficient number, since it is larger than the sum of its proper divisors (4745885277).

13101201123 is a wasteful number, since it uses less digits than its factorization.

13101201123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 13101201123 its reverse (32110210131), we get a palindrome (45211411254).

The spelling of 13101201123 in words is "thirteen billion, one hundred one million, two hundred one thousand, one hundred twenty-three".