121233212 has 6 divisors (see below), whose sum is σ = 212158128. Its totient is φ = 60616604.

The previous prime is 121233199. The next prime is 121233221. The reversal of 121233212 is 212332121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15154148 + ... + 15154155.

It is an arithmetic number, because the mean of its divisors is an integer number (35359688).

Almost surely, 2^121233212 is an apocalyptic number.

It is an amenable number.

121233212 is a deficient number, since it is larger than the sum of its proper divisors (90924916).

121233212 is a wasteful number, since it uses less digits than its factorization.

121233212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30308307 (or 30308305 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 121233212 is about 11010.5954425726. The cubic root of 121233212 is about 494.9263053913.

Adding to 121233212 its reverse (212332121), we get a palindrome (333565333).

The spelling of 121233212 in words is "one hundred twenty-one million, two hundred thirty-three thousand, two hundred twelve".