4012309212 has 24 divisors (see below), whose sum is σ = 9388890000. Its totient is φ = 1333602816.

The previous prime is 4012309201. The next prime is 4012309237. The reversal of 4012309212 is 2129032104.

It is a congruent number.

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, 474837 + ... + 483212.

It is an arithmetic number, because the mean of its divisors is an integer number (391203750).

Almost surely, 2^4012309212 is an apocalyptic number.

It is an amenable number.

4012309212 is an abundant number, since it is smaller than the sum of its proper divisors (5376580788).

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

4012309212 is a wasteful number, since it uses less digits than its factorization.

4012309212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958405 (or 958403 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 4012309212 is about 63342.7913183497. The cubic root of 4012309212 is about 1589.0276892287.

The spelling of 4012309212 in words is "four billion, twelve million, three hundred nine thousand, two hundred twelve".