42711012 has 72 divisors (see below), whose sum is σ = 116494560. Its totient is φ = 13150080.

The previous prime is 42711001. The next prime is 42711047. The reversal of 42711012 is 21011724.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27283 + ... + 28805.

It is an arithmetic number, because the mean of its divisors is an integer number (1617980).

Almost surely, 2^42711012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42711012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58247280).

42711012 is an abundant number, since it is smaller than the sum of its proper divisors (73783548).

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

42711012 is a wasteful number, since it uses less digits than its factorization.

42711012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593 (or 1588 counting only the distinct ones).

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

The square root of 42711012 is about 6535.3662483445. The cubic root of 42711012 is about 349.5532040305.

Adding to 42711012 its reverse (21011724), we get a palindrome (63722736).

The spelling of 42711012 in words is "forty-two million, seven hundred eleven thousand, twelve".