42010012 has 24 divisors (see below), whose sum is σ = 80744832. Its totient is φ = 18966000.

The previous prime is 42009971. The next prime is 42010013. The reversal of 42010012 is 21001024.

It is a super-2 number, since 2×42010012² = 3529682216480288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42010013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3483 + ... + 9805.

It is an arithmetic number, because the mean of its divisors is an integer number (3364368).

Almost surely, 2^42010012 is an apocalyptic number.

It is an amenable number.

42010012 is a deficient number, since it is larger than the sum of its proper divisors (38734820).

42010012 is a wasteful number, since it uses less digits than its factorization.

42010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6489 (or 6487 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 42010012 is about 6481.5130949494. The cubic root of 42010012 is about 347.6302829123.

Adding to 42010012 its reverse (21001024), we get a palindrome (63011036).

The spelling of 42010012 in words is "forty-two million, ten thousand, twelve".