4012003001 has 16 divisors (see below), whose sum is σ = 4110986880. Its totient is φ = 3914248320.

The previous prime is 4012002989. The next prime is 4012003027. The reversal of 4012003001 is 1003002104.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4012003001 - 2⁶ = 4012002937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4012003201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6239186 + ... + 6239828.

It is an arithmetic number, because the mean of its divisors is an integer number (256936680).

Almost surely, 2^4012003001 is an apocalyptic number.

It is an amenable number.

4012003001 is a deficient number, since it is larger than the sum of its proper divisors (98983879).

4012003001 is a wasteful number, since it uses less digits than its factorization.

4012003001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 4012003001 is about 63340.3741779286. The cubic root of 4012003001 is about 1588.9872644500.

Adding to 4012003001 its reverse (1003002104), we get a palindrome (5015005105).

The spelling of 4012003001 in words is "four billion, twelve million, three thousand, one".