47112312 has 64 divisors (see below), whose sum is σ = 130959360. Its totient is φ = 14025600.

The previous prime is 47112311. The next prime is 47112319. The reversal of 47112312 is 21321174.

47112312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47112311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7237 + ... + 12107.

It is an arithmetic number, because the mean of its divisors is an integer number (2046240).

Almost surely, 2^47112312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47112312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65479680).

47112312 is an abundant number, since it is smaller than the sum of its proper divisors (83847048).

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

47112312 is a wasteful number, since it uses less digits than its factorization.

47112312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4924 (or 4920 counting only the distinct ones).

The product of its digits is 336, while the sum is 21.

The square root of 47112312 is about 6863.8409072472. The cubic root of 47112312 is about 361.1698364209.

Adding to 47112312 its reverse (21321174), we get a palindrome (68433486).

The spelling of 47112312 in words is "forty-seven million, one hundred twelve thousand, three hundred twelve".