121203200030223 has 8 divisors (see below), whose sum is σ = 165971949591088. Its totient is φ = 78618291911424.

The previous prime is 121203200030173. The next prime is 121203200030261. The reversal of 121203200030223 is 322030002302121.

It is a happy number.

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

It is not a de Polignac number, because 121203200030223 - 2¹⁴ = 121203200013839 is a prime.

It is a super-2 number, since 2×121203200030223² (a number of 29 digits) contains 22 as substring.

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 121203200030223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121203200030323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545960360386 + ... + 545960360607.

It is an arithmetic number, because the mean of its divisors is an integer number (20746493698886).

Almost surely, 2^{121203200030223} is an apocalyptic number.

121203200030223 is a deficient number, since it is larger than the sum of its proper divisors (44768749560865).

121203200030223 is a wasteful number, since it uses less digits than its factorization.

121203200030223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091920721033.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 121203200030223 its reverse (322030002302121), we get a palindrome (443233202332344).

The spelling of 121203200030223 in words is "one hundred twenty-one trillion, two hundred three billion, two hundred million, thirty thousand, two hundred twenty-three".