42012202 has 8 divisors (see below), whose sum is σ = 66725316. Its totient is φ = 19770432.

The previous prime is 42012163. The next prime is 42012203. The reversal of 42012202 is 20221024.

It can be written as a sum of positive squares in 2 ways, for example, as 35153041 + 6859161 = 5929^2 + 2619^2 .

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

It is not an unprimeable number, because it can be changed into a prime (42012203) 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, 617793 + ... + 617860.

Almost surely, 2^42012202 is an apocalyptic number.

42012202 is a deficient number, since it is larger than the sum of its proper divisors (24713114).

42012202 is a wasteful number, since it uses less digits than its factorization.

42012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235672.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 42012202 is about 6481.6820347808. The cubic root of 42012202 is about 347.6363235127.

Adding to 42012202 its reverse (20221024), we get a palindrome (62233226).

The spelling of 42012202 in words is "forty-two million, twelve thousand, two hundred two".