5112313221 has 8 divisors (see below), whose sum is σ = 6821134144. Its totient is φ = 3405850560.

The previous prime is 5112313189. The next prime is 5112313231. The reversal of 5112313221 is 1223132115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5112313221 - 2⁵ = 5112313189 is a prime.

It is a super-2 number, since 2×5112313221² = 52271492939222789682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5112313231) 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, 584500 + ... + 593181.

It is an arithmetic number, because the mean of its divisors is an integer number (852641768).

Almost surely, 2^5112313221 is an apocalyptic number.

It is an amenable number.

5112313221 is a deficient number, since it is larger than the sum of its proper divisors (1708820923).

5112313221 is a wasteful number, since it uses less digits than its factorization.

5112313221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179131.

The product of its digits is 360, while the sum is 21.

The square root of 5112313221 is about 71500.4421035283. The cubic root of 5112313221 is about 1722.6847854686.

Adding to 5112313221 its reverse (1223132115), we get a palindrome (6335445336).

The spelling of 5112313221 in words is "five billion, one hundred twelve million, three hundred thirteen thousand, two hundred twenty-one".