121227712 has 28 divisors (see below), whose sum is σ = 243616480. Its totient is φ = 59844096.

The previous prime is 121227661. The next prime is 121227727. The reversal of 121227712 is 217722121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6933 + ... + 17044.

Almost surely, 2^121227712 is an apocalyptic number.

It is an amenable number.

121227712 is an abundant number, since it is smaller than the sum of its proper divisors (122388768).

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

121227712 is an equidigital number, since it uses as much as digits as its factorization.

121227712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24068 (or 24058 counting only the distinct ones).

The product of its digits is 784, while the sum is 25.

The square root of 121227712 is about 11010.3456803136. The cubic root of 121227712 is about 494.9188208200.

Adding to 121227712 its reverse (217722121), we get a palindrome (338949833).

The spelling of 121227712 in words is "one hundred twenty-one million, two hundred twenty-seven thousand, seven hundred twelve".