121200223022305 has 64 divisors (see below), whose sum is σ = 180245612828160. Its totient is φ = 76350367641600.

The previous prime is 121200223022191. The next prime is 121200223022309. The reversal of 121200223022305 is 503220322002121.

It is not a de Polignac number, because 121200223022305 - 2¹⁵ = 121200222989537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121200223022305.

It is not an unprimeable number, because it can be changed into a prime (121200223022309) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7990810 + ... + 17500099.

It is an arithmetic number, because the mean of its divisors is an integer number (2816337700440).

Almost surely, 2^{121200223022305} is an apocalyptic number.

It is an amenable number.

121200223022305 is a deficient number, since it is larger than the sum of its proper divisors (59045389805855).

121200223022305 is a wasteful number, since it uses less digits than its factorization.

121200223022305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25491130.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 121200223022305 its reverse (503220322002121), we get a palindrome (624420545024426).

The spelling of 121200223022305 in words is "one hundred twenty-one trillion, two hundred billion, two hundred twenty-three million, twenty-two thousand, three hundred five".