121214233 has 16 divisors (see below), whose sum is σ = 149454720. Its totient is φ = 95936256.

The previous prime is 121214231. The next prime is 121214251. The reversal of 121214233 is 332412121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121214233 - 2¹ = 121214231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121214233.

It is not an unprimeable number, because it can be changed into a prime (121214231) 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, 3303 + ... + 15916.

It is an arithmetic number, because the mean of its divisors is an integer number (9340920).

Almost surely, 2^121214233 is an apocalyptic number.

It is an amenable number.

121214233 is a deficient number, since it is larger than the sum of its proper divisors (28240487).

121214233 is a wasteful number, since it uses less digits than its factorization.

121214233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19296.

The product of its digits is 288, while the sum is 19.

The square root of 121214233 is about 11009.7335571757. The cubic root of 121214233 is about 494.9004772199.

Adding to 121214233 its reverse (332412121), we get a palindrome (453626354).

The spelling of 121214233 in words is "one hundred twenty-one million, two hundred fourteen thousand, two hundred thirty-three".