4012015242 has 16 divisors (see below), whose sum is σ = 8027042400. Its totient is φ = 1336836432.

The previous prime is 4012015219. The next prime is 4012015289. The reversal of 4012015242 is 2425102104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107992 + ... + 140307.

It is an arithmetic number, because the mean of its divisors is an integer number (501690150).

Almost surely, 2^4012015242 is an apocalyptic number.

4012015242 is an abundant number, since it is smaller than the sum of its proper divisors (4015027158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4012015242 is a wasteful number, since it uses less digits than its factorization.

4012015242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250997.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 4012015242 is about 63340.4708065862. The cubic root of 4012015242 is about 1588.9888804984.

Adding to 4012015242 its reverse (2425102104), we get a palindrome (6437117346).

The spelling of 4012015242 in words is "four billion, twelve million, fifteen thousand, two hundred forty-two".