5231212124 has 12 divisors (see below), whose sum is σ = 9283560048. Its totient is φ = 2578766400.

The previous prime is 5231212123. The next prime is 5231212159. The reversal of 5231212124 is 4212121325.

It is a self number, because there is not a number n which added to its sum of digits gives 5231212124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5231212121) 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, 9209597 + ... + 9210164.

It is an arithmetic number, because the mean of its divisors is an integer number (773630004).

Almost surely, 2^5231212124 is an apocalyptic number.

It is an amenable number.

5231212124 is a deficient number, since it is larger than the sum of its proper divisors (4052347924).

5231212124 is a wasteful number, since it uses less digits than its factorization.

5231212124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18419836 (or 18419834 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 5231212124 is about 72327.1188697573. The cubic root of 5231212124 is about 1735.9376012845.

Adding to 5231212124 its reverse (4212121325), we get a palindrome (9443333449).

The spelling of 5231212124 in words is "five billion, two hundred thirty-one million, two hundred twelve thousand, one hundred twenty-four".