121223203241 has 8 divisors (see below), whose sum is σ = 143009862144. Its totient is φ = 100553808960.

The previous prime is 121223203187. The next prime is 121223203273. The reversal of 121223203241 is 142302322121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121223203241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121223206241) 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, 279315920 + ... + 279316353.

It is an arithmetic number, because the mean of its divisors is an integer number (17876232768).

Almost surely, 2^121223203241 is an apocalyptic number.

It is an amenable number.

121223203241 is a deficient number, since it is larger than the sum of its proper divisors (21786658903).

121223203241 is an equidigital number, since it uses as much as digits as its factorization.

121223203241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558632311.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 121223203241 its reverse (142302322121), we get a palindrome (263525525362).

The spelling of 121223203241 in words is "one hundred twenty-one billion, two hundred twenty-three million, two hundred three thousand, two hundred forty-one".