2001032312 has 8 divisors (see below), whose sum is σ = 3751935600. Its totient is φ = 1000516152.

The previous prime is 2001032281. The next prime is 2001032389. The reversal of 2001032312 is 2132301002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125064512 + ... + 125064527.

It is an arithmetic number, because the mean of its divisors is an integer number (468991950).

Almost surely, 2^2001032312 is an apocalyptic number.

It is an amenable number.

2001032312 is a deficient number, since it is larger than the sum of its proper divisors (1750903288).

2001032312 is a wasteful number, since it uses less digits than its factorization.

2001032312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250129045 (or 250129041 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2001032312 is about 44732.8996600936. The cubic root of 2001032312 is about 1260.1377845460.

Adding to 2001032312 its reverse (2132301002), we get a palindrome (4133333314).

The spelling of 2001032312 in words is "two billion, one million, thirty-two thousand, three hundred twelve".