12112983481 has 3 divisors (see below), whose sum is σ = 12113093541. Its totient is φ = 12112873422.

The previous prime is 12112983473. The next prime is 12112983529. The reversal of 12112983481 is 18438921121.

The square root of 12112983481 is 110059.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 12112983481 - 2³ = 12112983473 is a prime.

It is a super-2 number, since 2×12112983481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12112983401) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 55030 + ... + 165088.

It is an arithmetic number, because the mean of its divisors is an integer number (4037697847).

Almost surely, 2^12112983481 is an apocalyptic number.

12112983481 is the 110059-th square number.

12112983481 is the 55030-th centered octagonal number.

It is an amenable number.

12112983481 is a deficient number, since it is larger than the sum of its proper divisors (110060).

12112983481 is an frugal number, since it uses more digits than its factorization.

12112983481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220118 (or 110059 counting only the distinct ones).

The product of its digits is 27648, while the sum is 40.

The spelling of 12112983481 in words is "twelve billion, one hundred twelve million, nine hundred eighty-three thousand, four hundred eighty-one".