4001512712 has 16 divisors (see below), whose sum is σ = 7505850300. Its totient is φ = 1999952640.

The previous prime is 4001512703. The next prime is 4001512733. The reversal of 4001512712 is 2172151004.

It can be written as a sum of positive squares in 2 ways, for example, as 2842382596 + 1159130116 = 53314^2 + 34046^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79037 + ... + 119372.

Almost surely, 2^4001512712 is an apocalyptic number.

It is an amenable number.

4001512712 is a deficient number, since it is larger than the sum of its proper divisors (3504337588).

4001512712 is a wasteful number, since it uses less digits than its factorization.

4001512712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200936 (or 200932 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 4001512712 is about 63257.5111113297. The cubic root of 4001512712 is about 1587.6011334665.

Adding to 4001512712 its reverse (2172151004), we get a palindrome (6173663716).

The spelling of 4001512712 in words is "four billion, one million, five hundred twelve thousand, seven hundred twelve".