121223223201203 has 4 divisors (see below), whose sum is σ = 121283925868800. Its totient is φ = 121162520533608.

The previous prime is 121223223201191. The next prime is 121223223201217. The reversal of 121223223201203 is 302102322322121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121223223201203 - 2⁶ = 121223223201139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121223223201803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30351330803 + ... + 30351334796.

It is an arithmetic number, because the mean of its divisors is an integer number (30320981467200).

Almost surely, 2^{121223223201203} is an apocalyptic number.

121223223201203 is a deficient number, since it is larger than the sum of its proper divisors (60702667597).

121223223201203 is an equidigital number, since it uses as much as digits as its factorization.

121223223201203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60702667596.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 121223223201203 its reverse (302102322322121), we get a palindrome (423325545523324).

The spelling of 121223223201203 in words is "one hundred twenty-one trillion, two hundred twenty-three billion, two hundred twenty-three million, two hundred one thousand, two hundred three".