5221012042 has 16 divisors (see below), whose sum is σ = 8107131240. Its totient is φ = 2518758592.

The previous prime is 5221012009. The next prime is 5221012057. The reversal of 5221012042 is 2402101225.

It can be written as a sum of positive squares in 4 ways, for example, as 4887547921 + 333464121 = 69911^2 + 18261^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56448 + ... + 116740.

Almost surely, 2^5221012042 is an apocalyptic number.

5221012042 is a deficient number, since it is larger than the sum of its proper divisors (2886119198).

5221012042 is a wasteful number, since it uses less digits than its factorization.

5221012042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61817.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 5221012042 is about 72256.5709261102. The cubic root of 5221012042 is about 1734.8085941877.

Adding to 5221012042 its reverse (2402101225), we get a palindrome (7623113267).

The spelling of 5221012042 in words is "five billion, two hundred twenty-one million, twelve thousand, forty-two".