12112051453 has 4 divisors (see below), whose sum is σ = 12265368640. Its totient is φ = 11958734268.

The previous prime is 12112051439. The next prime is 12112051487. The reversal of 12112051453 is 35415021121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12112051453 is a prime.

It is a super-2 number, since 2×12112051453² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112051253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76658475 + ... + 76658632.

It is an arithmetic number, because the mean of its divisors is an integer number (3066342160).

Almost surely, 2^12112051453 is an apocalyptic number.

It is an amenable number.

12112051453 is a deficient number, since it is larger than the sum of its proper divisors (153317187).

12112051453 is an equidigital number, since it uses as much as digits as its factorization.

12112051453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153317186.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 12112051453 its reverse (35415021121), we get a palindrome (47527072574).

The spelling of 12112051453 in words is "twelve billion, one hundred twelve million, fifty-one thousand, four hundred fifty-three".