42012326 has 4 divisors (see below), whose sum is σ = 63018492. Its totient is φ = 21006162.

The previous prime is 42012323. The next prime is 42012337. The reversal of 42012326 is 62321024.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 42012298 and 42012307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42012323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10503080 + ... + 10503083.

It is an arithmetic number, because the mean of its divisors is an integer number (15754623).

Almost surely, 2^42012326 is an apocalyptic number.

42012326 is a deficient number, since it is larger than the sum of its proper divisors (21006166).

42012326 is a wasteful number, since it uses less digits than its factorization.

42012326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21006165.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 42012326 is about 6481.6916001920. The cubic root of 42012326 is about 347.6366655313.

The spelling of 42012326 in words is "forty-two million, twelve thousand, three hundred twenty-six".