12113023011 has 8 divisors (see below), whose sum is σ = 16151265984. Its totient is φ = 8075064360.

The previous prime is 12113023009. The next prime is 12113023033. The reversal of 12113023011 is 11032031121.

It is a happy number.

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

It is not a de Polignac number, because 12113023011 - 2¹ = 12113023009 is a prime.

It is a super-2 number, since 2×12113023011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12113023411) 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, 66216 + ... + 169146.

It is an arithmetic number, because the mean of its divisors is an integer number (2018908248).

Almost surely, 2^12113023011 is an apocalyptic number.

12113023011 is a deficient number, since it is larger than the sum of its proper divisors (4038242973).

12113023011 is a wasteful number, since it uses less digits than its factorization.

12113023011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142161.

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

Adding to 12113023011 its reverse (11032031121), we get a palindrome (23145054132).

The spelling of 12113023011 in words is "twelve billion, one hundred thirteen million, twenty-three thousand, eleven".