12112150543400 has 24 divisors (see below), whose sum is σ = 28160750013870. Its totient is φ = 4844860217280.

The previous prime is 12112150543379. The next prime is 12112150543403. The reversal of 12112150543400 is 434505121121.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 4608243609124 + 7503906934276 = 2146682^2 + 2739326^2 .

It is not an unprimeable number, because it can be changed into a prime (12112150543403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30280376159 + ... + 30280376558.

Almost surely, 2^{12112150543400} is an apocalyptic number.

12112150543400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112150543400 is an abundant number, since it is smaller than the sum of its proper divisors (16048599470470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12112150543400 is a wasteful number, since it uses less digits than its factorization.

12112150543400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60560752733 (or 60560752724 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 12112150543400 its reverse (434505121121), we get a palindrome (12546655664521).

The spelling of 12112150543400 in words is "twelve trillion, one hundred twelve billion, one hundred fifty million, five hundred forty-three thousand, four hundred".