42012430 has 8 divisors (see below), whose sum is σ = 75622392. Its totient is φ = 16804968.

The previous prime is 42012403. The next prime is 42012431. The reversal of 42012430 is 3421024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42012431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2100612 + ... + 2100631.

It is an arithmetic number, because the mean of its divisors is an integer number (9452799).

Almost surely, 2^42012430 is an apocalyptic number.

42012430 is a deficient number, since it is larger than the sum of its proper divisors (33609962).

42012430 is a wasteful number, since it uses less digits than its factorization.

42012430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4201250.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 42012430 is about 6481.6996227841. The cubic root of 42012430 is about 347.6369523851.

Adding to 42012430 its reverse (3421024), we get a palindrome (45433454).

The spelling of 42012430 in words is "forty-two million, twelve thousand, four hundred thirty".