2112125306 has 16 divisors (see below), whose sum is σ = 3223454400. Its totient is φ = 1037658048.

The previous prime is 2112125293. The next prime is 2112125317. The reversal of 2112125306 is 6035212112.

It is a super-2 number, since 2×2112125306² = 8922146616491187272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388946 + ... + 394338.

It is an arithmetic number, because the mean of its divisors is an integer number (201465900).

Almost surely, 2^2112125306 is an apocalyptic number.

2112125306 is a deficient number, since it is larger than the sum of its proper divisors (1111329094).

2112125306 is a wasteful number, since it uses less digits than its factorization.

2112125306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8773.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2112125306 is about 45957.8644630057. The cubic root of 2112125306 is about 1283.0391054420.

Adding to 2112125306 its reverse (6035212112), we get a palindrome (8147337418).

The spelling of 2112125306 in words is "two billion, one hundred twelve million, one hundred twenty-five thousand, three hundred six".