121246216 has 64 divisors (see below), whose sum is σ = 289497600. Its totient is φ = 46303488.

The previous prime is 121246207. The next prime is 121246219. The reversal of 121246216 is 612642121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121246219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18241 + ... + 23983.

It is an arithmetic number, because the mean of its divisors is an integer number (4523400).

Almost surely, 2^121246216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121246216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144748800).

121246216 is an abundant number, since it is smaller than the sum of its proper divisors (168251384).

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

121246216 is a wasteful number, since it uses less digits than its factorization.

121246216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5798 (or 5794 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 121246216 is about 11011.1859488431. The cubic root of 121246216 is about 494.9440007392.

Adding to 121246216 its reverse (612642121), we get a palindrome (733888337).

The spelling of 121246216 in words is "one hundred twenty-one million, two hundred forty-six thousand, two hundred sixteen".