121223201201 has 8 divisors (see below), whose sum is σ = 122961844224. Its totient is φ = 119485427040.

The previous prime is 121223201191. The next prime is 121223201213. The reversal of 121223201201 is 102102322121.

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 121223201201 - 2²² = 121219006897 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 121223201201.

It is not an unprimeable number, because it can be changed into a prime (121223201221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66461 + ... + 496853.

It is an arithmetic number, because the mean of its divisors is an integer number (15370230528).

Almost surely, 2^121223201201 is an apocalyptic number.

It is an amenable number.

121223201201 is a deficient number, since it is larger than the sum of its proper divisors (1738643023).

121223201201 is an equidigital number, since it uses as much as digits as its factorization.

121223201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434431.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 121223201201 its reverse (102102322121), we get a palindrome (223325523322).

The spelling of 121223201201 in words is "one hundred twenty-one billion, two hundred twenty-three million, two hundred one thousand, two hundred one".