12112061776 has 40 divisors (see below), whose sum is σ = 23613917184. Its totient is φ = 6018215040.

The previous prime is 12112061771. The next prime is 12112061783. The reversal of 12112061776 is 67716021121.

12112061776 is a modest number, since divided by 61776 gives 12112 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112061771) 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, 5294905 + ... + 5297191.

Almost surely, 2^12112061776 is an apocalyptic number.

12112061776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12112061776 is a deficient number, since it is larger than the sum of its proper divisors (11501855408).

12112061776 is a wasteful number, since it uses less digits than its factorization.

12112061776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4219 (or 4213 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 34.

Adding to 12112061776 its reverse (67716021121), we get a palindrome (79828082897).

The spelling of 12112061776 in words is "twelve billion, one hundred twelve million, sixty-one thousand, seven hundred seventy-six".