2129306112 has 120 divisors (see below), whose sum is σ = 6184354176. Its totient is φ = 705263616.

The previous prime is 2129306107. The next prime is 2129306131. The reversal of 2129306112 is 2116039212.

2129306112 is a `hidden beast` number, since 2 + 12 + 9 + 30 + 611 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 768153 + ... + 770919.

Almost surely, 2^2129306112 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 2129306112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3092177088).

2129306112 is an abundant number, since it is smaller than the sum of its proper divisors (4055048064).

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

2129306112 is a wasteful number, since it uses less digits than its factorization.

2129306112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2958 (or 2939 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 2129306112 is about 46144.4049912879. The cubic root of 2129306112 is about 1286.5086193276.

The spelling of 2129306112 in words is "two billion, one hundred twenty-nine million, three hundred six thousand, one hundred twelve".