7121212 has 12 divisors (see below), whose sum is σ = 14242480. Its totient is φ = 3051936.

The previous prime is 7121209. The next prime is 7121263. The reversal of 7121212 is 2121217.

7121212 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

7121212 is a modest number, since divided by 1212 gives 712 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127137 + ... + 127192.

Almost surely, 2^7121212 is an apocalyptic number.

It is an amenable number.

7121212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7121212 is a wasteful number, since it uses less digits than its factorization.

7121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254340 (or 254338 counting only the distinct ones).

The product of its digits is 56, while the sum is 16.

The square root of 7121212 is about 2668.5599112630. The cubic root of 7121212 is about 192.3909496480.

Adding to 7121212 its reverse (2121217), we get a palindrome (9242429).

The spelling of 7121212 in words is "seven million, one hundred twenty-one thousand, two hundred twelve".