5181212 has 12 divisors (see below), whose sum is σ = 9092160. Its totient is φ = 2583456.

The previous prime is 5181191. The next prime is 5181217. The reversal of 5181212 is 2121815.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5181217) 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, 53 + ... + 3219.

It is an arithmetic number, because the mean of its divisors is an integer number (757680).

Almost surely, 2^5181212 is an apocalyptic number.

It is an amenable number.

5181212 is a deficient number, since it is larger than the sum of its proper divisors (3910948).

5181212 is a wasteful number, since it uses less digits than its factorization.

5181212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3580 (or 3578 counting only the distinct ones).

The product of its digits is 160, while the sum is 20.

The square root of 5181212 is about 2276.2275808890. The cubic root of 5181212 is about 173.0389167019.

The spelling of 5181212 in words is "five million, one hundred eighty-one thousand, two hundred twelve".