13032121123 has 8 divisors (see below), whose sum is σ = 15407434080. Its totient is φ = 10785203520.

The previous prime is 13032121121. The next prime is 13032121127. The reversal of 13032121123 is 32112123031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13032121123 - 2¹ = 13032121121 is a prime.

It is a super-2 number, since 2×13032121123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13032121123.

It is not an unprimeable number, because it can be changed into a prime (13032121121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32098618 + ... + 32099023.

It is an arithmetic number, because the mean of its divisors is an integer number (1925929260).

Almost surely, 2^13032121123 is an apocalyptic number.

13032121123 is a deficient number, since it is larger than the sum of its proper divisors (2375312957).

13032121123 is an equidigital number, since it uses as much as digits as its factorization.

13032121123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64197677.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13032121123 its reverse (32112123031), we get a palindrome (45144244154).

The spelling of 13032121123 in words is "thirteen billion, thirty-two million, one hundred twenty-one thousand, one hundred twenty-three".