42141212 has 6 divisors (see below), whose sum is σ = 73747128. Its totient is φ = 21070604.

The previous prime is 42141199. The next prime is 42141217. The reversal of 42141212 is 21214124.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42141217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5267648 + ... + 5267655.

It is an arithmetic number, because the mean of its divisors is an integer number (12291188).

Almost surely, 2^42141212 is an apocalyptic number.

It is an amenable number.

42141212 is a deficient number, since it is larger than the sum of its proper divisors (31605916).

42141212 is a wasteful number, since it uses less digits than its factorization.

42141212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10535307 (or 10535305 counting only the distinct ones).

The product of its digits is 128, while the sum is 17.

The square root of 42141212 is about 6491.6262985480. The cubic root of 42141212 is about 347.9917974902.

Adding to 42141212 its reverse (21214124), we get a palindrome (63355336).

The spelling of 42141212 in words is "forty-two million, one hundred forty-one thousand, two hundred twelve".