121224104231 has 8 divisors (see below), whose sum is σ = 122429748144. Its totient is φ = 120024414720.

The previous prime is 121224104227. The next prime is 121224104233. The reversal of 121224104231 is 132401422121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121224104231 - 2² = 121224104227 is a prime.

It is a super-2 number, since 2×121224104231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121224104197 and 121224104206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121224104233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1447676 + ... + 1529121.

It is an arithmetic number, because the mean of its divisors is an integer number (15303718518).

Almost surely, 2^121224104231 is an apocalyptic number.

121224104231 is a deficient number, since it is larger than the sum of its proper divisors (1205643913).

121224104231 is a wasteful number, since it uses less digits than its factorization.

121224104231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2977201.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 121224104231 its reverse (132401422121), we get a palindrome (253625526352).

The spelling of 121224104231 in words is "one hundred twenty-one billion, two hundred twenty-four million, one hundred four thousand, two hundred thirty-one".