4312712112 has 80 divisors (see below), whose sum is σ = 11738832000. Its totient is φ = 1360599552.

The previous prime is 4312712087. The next prime is 4312712143. The reversal of 4312712112 is 2112172134.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1465939 + ... + 1468877.

It is an arithmetic number, because the mean of its divisors is an integer number (146735400).

Almost surely, 2^4312712112 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 4312712112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5869416000).

4312712112 is an abundant number, since it is smaller than the sum of its proper divisors (7426119888).

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

4312712112 is a wasteful number, since it uses less digits than its factorization.

4312712112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4578 (or 4572 counting only the distinct ones).

The product of its digits is 672, while the sum is 24.

The square root of 4312712112 is about 65671.2426561277. The cubic root of 4312712112 is about 1627.7342039212.

Adding to 4312712112 its reverse (2112172134), we get a palindrome (6424884246).

The spelling of 4312712112 in words is "four billion, three hundred twelve million, seven hundred twelve thousand, one hundred twelve".