121304212 has 12 divisors (see below), whose sum is σ = 212602516. Its totient is φ = 60560640.

The previous prime is 121304203. The next prime is 121304219. The reversal of 121304212 is 212403121.

It can be written as a sum of positive squares in 2 ways, for example, as 79495056 + 41809156 = 8916^2 + 6466^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121304219) 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, 19839 + ... + 25222.

Almost surely, 2^121304212 is an apocalyptic number.

It is an amenable number.

121304212 is a deficient number, since it is larger than the sum of its proper divisors (91298304).

121304212 is a wasteful number, since it uses less digits than its factorization.

121304212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45738 (or 45736 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 121304212 is about 11013.8191377923. The cubic root of 121304212 is about 495.0229040859.

Adding to 121304212 its reverse (212403121), we get a palindrome (333707333).

The spelling of 121304212 in words is "one hundred twenty-one million, three hundred four thousand, two hundred twelve".