5131212 has 24 divisors (see below), whose sum is σ = 12677616. Its totient is φ = 1609728.

The previous prime is 5131211. The next prime is 5131219. The reversal of 5131212 is 2121315.

It is a junction number, because it is equal to n+sod(n) for n = 5131191 and 5131200.

It is not an unprimeable number, because it can be changed into a prime (5131211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12373 + ... + 12780.

It is an arithmetic number, because the mean of its divisors is an integer number (528234).

Almost surely, 2^5131212 is an apocalyptic number.

It is an amenable number.

5131212 is an abundant number, since it is smaller than the sum of its proper divisors (7546404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5131212 is a wasteful number, since it uses less digits than its factorization.

5131212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25177 (or 25175 counting only the distinct ones).

The product of its digits is 60, while the sum is 15.

The square root of 5131212 is about 2265.2178703162. The cubic root of 5131212 is about 172.4804934884.

Adding to 5131212 its reverse (2121315), we get a palindrome (7252527).

The spelling of 5131212 in words is "five million, one hundred thirty-one thousand, two hundred twelve".