42320212 has 48 divisors (see below), whose sum is σ = 83280960. Its totient is φ = 18656000.

The previous prime is 42320203. The next prime is 42320237. The reversal of 42320212 is 21202324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395463 + ... + 395569.

It is an arithmetic number, because the mean of its divisors is an integer number (1735020).

Almost surely, 2^42320212 is an apocalyptic number.

It is an amenable number.

42320212 is a deficient number, since it is larger than the sum of its proper divisors (40960748).

42320212 is a wasteful number, since it uses less digits than its factorization.

42320212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 310 counting only the distinct ones).

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

The square root of 42320212 is about 6505.3986810956. The cubic root of 42320212 is about 348.4838142181.

Adding to 42320212 its reverse (21202324), we get a palindrome (63522536).

The spelling of 42320212 in words is "forty-two million, three hundred twenty thousand, two hundred twelve".