121662212 has 24 divisors (see below), whose sum is σ = 246408960. Its totient is φ = 51480000.

The previous prime is 121662209. The next prime is 121662257. The reversal of 121662212 is 212266121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25289 + ... + 29712.

It is an arithmetic number, because the mean of its divisors is an integer number (10267040).

Almost surely, 2^121662212 is an apocalyptic number.

It is an amenable number.

121662212 is an abundant number, since it is smaller than the sum of its proper divisors (124746748).

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

121662212 is a wasteful number, since it uses less digits than its factorization.

121662212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55091 (or 55089 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 121662212 is about 11030.0594740010. The cubic root of 121662212 is about 495.5094058684.

The spelling of 121662212 in words is "one hundred twenty-one million, six hundred sixty-two thousand, two hundred twelve".