5123212112 has 10 divisors (see below), whose sum is σ = 9926223498. Its totient is φ = 2561606048.

The previous prime is 5123212103. The next prime is 5123212187. The reversal of 5123212112 is 2112123215.

It can be written as a sum of positive squares in only one way, i.e., 5115682576 + 7529536 = 71524^2 + 2744^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160100363 + ... + 160100394.

Almost surely, 2^5123212112 is an apocalyptic number.

It is an amenable number.

5123212112 is a deficient number, since it is larger than the sum of its proper divisors (4803011386).

5123212112 is a wasteful number, since it uses less digits than its factorization.

5123212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320200765 (or 320200759 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 5123212112 is about 71576.6170756903. The cubic root of 5123212112 is about 1723.9081082152.

Adding to 5123212112 its reverse (2112123215), we get a palindrome (7235335327).

The spelling of 5123212112 in words is "five billion, one hundred twenty-three million, two hundred twelve thousand, one hundred twelve".