5211212 has 6 divisors (see below), whose sum is σ = 9119628. Its totient is φ = 2605604.

The previous prime is 5211211. The next prime is 5211229. The reversal of 5211212 is 2121125.

It is not an unprimeable number, because it can be changed into a prime (5211211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651398 + ... + 651405.

It is an arithmetic number, because the mean of its divisors is an integer number (1519938).

Almost surely, 2^5211212 is an apocalyptic number.

It is an amenable number.

5211212 is a deficient number, since it is larger than the sum of its proper divisors (3908416).

5211212 is a wasteful number, since it uses less digits than its factorization.

5211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302807 (or 1302805 counting only the distinct ones).

The product of its digits is 40, while the sum is 14.

The square root of 5211212 is about 2282.8079200844. The cubic root of 5211212 is about 173.3722480017.

Adding to 5211212 its reverse (2121125), we get a palindrome (7332337).

The spelling of 5211212 in words is "five million, two hundred eleven thousand, two hundred twelve".