42002204212 has 24 divisors (see below), whose sum is σ = 74055933000. Its totient is φ = 20843590656.

The previous prime is 42002204197. The next prime is 42002204219. The reversal of 42002204212 is 21240220024.

It can be written as a sum of positive squares in 4 ways, for example, as 766403856 + 41235800356 = 27684^2 + 203066^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42002204212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42002204219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 740908 + ... + 795580.

It is an arithmetic number, because the mean of its divisors is an integer number (3085663875).

Almost surely, 2^42002204212 is an apocalyptic number.

It is an amenable number.

42002204212 is a deficient number, since it is larger than the sum of its proper divisors (32053728788).

42002204212 is a wasteful number, since it uses less digits than its factorization.

42002204212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56115 (or 56113 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 42002204212 its reverse (21240220024), we get a palindrome (63242424236).

The spelling of 42002204212 in words is "forty-two billion, two million, two hundred four thousand, two hundred twelve".