2109062312 has 96 divisors (see below), whose sum is σ = 4710044520. Its totient is φ = 882524160.

The previous prime is 2109062273. The next prime is 2109062317. The reversal of 2109062312 is 2132609012.

It can be written as a sum of positive squares in 4 ways, for example, as 1385775076 + 723287236 = 37226^2 + 26894^2 .

It is not an unprimeable number, because it can be changed into a prime (2109062317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4614788 + ... + 4615244.

Almost surely, 2^2109062312 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 2109062312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2355022260).

2109062312 is an abundant number, since it is smaller than the sum of its proper divisors (2600982208).

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

2109062312 is a wasteful number, since it uses less digits than its factorization.

2109062312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731 (or 720 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2109062312 is about 45924.5284352491. The cubic root of 2109062312 is about 1282.4185863327.

The spelling of 2109062312 in words is "two billion, one hundred nine million, sixty-two thousand, three hundred twelve".