121412233 has 4 divisors (see below), whose sum is σ = 123995520. Its totient is φ = 118828948.

The previous prime is 121412231. The next prime is 121412243. The reversal of 121412233 is 332214121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121412233 - 2¹ = 121412231 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 121412233.

It is not an unprimeable number, because it can be changed into a prime (121412231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1291573 + ... + 1291666.

It is an arithmetic number, because the mean of its divisors is an integer number (30998880).

Almost surely, 2^121412233 is an apocalyptic number.

It is an amenable number.

121412233 is a deficient number, since it is larger than the sum of its proper divisors (2583287).

121412233 is an equidigital number, since it uses as much as digits as its factorization.

121412233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583286.

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

The square root of 121412233 is about 11018.7219313312. The cubic root of 121412233 is about 495.1697992448.

Adding to 121412233 its reverse (332214121), we get a palindrome (453626354).

The spelling of 121412233 in words is "one hundred twenty-one million, four hundred twelve thousand, two hundred thirty-three".