42012711 has 24 divisors (see below), whose sum is σ = 65585520. Its totient is φ = 25762176.

The previous prime is 42012703. The next prime is 42012731. The reversal of 42012711 is 11721024.

It is not a de Polignac number, because 42012711 - 2³ = 42012703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42012701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48595 + ... + 49451.

It is an arithmetic number, because the mean of its divisors is an integer number (2732730).

Almost surely, 2^42012711 is an apocalyptic number.

42012711 is a deficient number, since it is larger than the sum of its proper divisors (23572809).

42012711 is a wasteful number, since it uses less digits than its factorization.

42012711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295 (or 1292 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 42012711 is about 6481.7212991612. The cubic root of 42012711 is about 347.6377274395.

Adding to 42012711 its reverse (11721024), we get a palindrome (53733735).

It can be divided in two parts, 420 and 12711, that added together give a palindrome (13131).

The spelling of 42012711 in words is "forty-two million, twelve thousand, seven hundred eleven".