4012865143 has 12 divisors (see below), whose sum is σ = 4672604640. Its totient is φ = 3436225632.

The previous prime is 4012865141. The next prime is 4012865149. The reversal of 4012865143 is 3415682104.

It is not a de Polignac number, because 4012865143 - 2¹ = 4012865141 is a prime.

It is a super-2 number, since 2×4012865143² = 32206173311808820898, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4012865099 and 4012865108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012865141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10978 + ... + 90256.

It is an arithmetic number, because the mean of its divisors is an integer number (389383720).

Almost surely, 2^4012865143 is an apocalyptic number.

4012865143 is a deficient number, since it is larger than the sum of its proper divisors (659739497).

4012865143 is a wasteful number, since it uses less digits than its factorization.

4012865143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80326 (or 80319 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 4012865143 is about 63347.1794399719. The cubic root of 4012865143 is about 1589.1010758089.

The spelling of 4012865143 in words is "four billion, twelve million, eight hundred sixty-five thousand, one hundred forty-three".