12112646440551 has 8 divisors (see below), whose sum is σ = 16240419809280. Its totient is φ = 8029985349432.

The previous prime is 12112646440403. The next prime is 12112646440597. The reversal of 12112646440551 is 15504464621121.

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

It is not a de Polignac number, because 12112646440551 - 2¹⁷ = 12112646309479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112646440051) 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, 11278068775 + ... + 11278069848.

It is an arithmetic number, because the mean of its divisors is an integer number (2030052476160).

Almost surely, 2^{12112646440551} is an apocalyptic number.

12112646440551 is a deficient number, since it is larger than the sum of its proper divisors (4127773368729).

12112646440551 is a wasteful number, since it uses less digits than its factorization.

12112646440551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22556138805.

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 12112646440551 in words is "twelve trillion, one hundred twelve billion, six hundred forty-six million, four hundred forty thousand, five hundred fifty-one".