12112141949 has 4 divisors (see below), whose sum is σ = 12159271164. Its totient is φ = 12065012736.

The previous prime is 12112141931. The next prime is 12112141981. The reversal of 12112141949 is 94914121121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10204636324 + 1907505625 = 101018^2 + 43675^2 .

It is a cyclic number.

It is not a de Polignac number, because 12112141949 - 2⁸ = 12112141693 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112141049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23564222 + ... + 23564735.

It is an arithmetic number, because the mean of its divisors is an integer number (3039817791).

Almost surely, 2^12112141949 is an apocalyptic number.

It is an amenable number.

12112141949 is a deficient number, since it is larger than the sum of its proper divisors (47129215).

12112141949 is an equidigital number, since it uses as much as digits as its factorization.

12112141949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47129214.

The product of its digits is 5184, while the sum is 35.

The spelling of 12112141949 in words is "twelve billion, one hundred twelve million, one hundred forty-one thousand, nine hundred forty-nine".