4001231012 has 48 divisors (see below), whose sum is σ = 7289812992. Its totient is φ = 1920360960.

The previous prime is 4001230997. The next prime is 4001231021. The reversal of 4001231012 is 2101321004.

It is a super-2 number, since 2×4001231012² = 32019699222781088288, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2467562 + ... + 2469182.

It is an arithmetic number, because the mean of its divisors is an integer number (151871104).

Almost surely, 2^4001231012 is an apocalyptic number.

It is an amenable number.

4001231012 is a deficient number, since it is larger than the sum of its proper divisors (3288581980).

4001231012 is a wasteful number, since it uses less digits than its factorization.

4001231012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908 (or 1906 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 4001231012 is about 63255.2844590869. The cubic root of 4001231012 is about 1587.5638777446.

Adding to 4001231012 its reverse (2101321004), we get a palindrome (6102552016).

The spelling of 4001231012 in words is "four billion, one million, two hundred thirty-one thousand, twelve".