121223232313201 has 16 divisors (see below), whose sum is σ = 124260874295040. Its totient is φ = 118189471079680.

The previous prime is 121223232313159. The next prime is 121223232313219. The reversal of 121223232313201 is 102313232322121.

It is a cyclic number.

It is not a de Polignac number, because 121223232313201 - 2¹⁵ = 121223232280433 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 121223232313201.

It is not an unprimeable number, because it can be changed into a prime (121223232313301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401326236 + ... + 401628178.

It is an arithmetic number, because the mean of its divisors is an integer number (7766304643440).

Almost surely, 2^{121223232313201} is an apocalyptic number.

It is an amenable number.

121223232313201 is a deficient number, since it is larger than the sum of its proper divisors (3037641981839).

121223232313201 is a wasteful number, since it uses less digits than its factorization.

121223232313201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308336.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 121223232313201 its reverse (102313232322121), we get a palindrome (223536464635322).

The spelling of 121223232313201 in words is "one hundred twenty-one trillion, two hundred twenty-three billion, two hundred thirty-two million, three hundred thirteen thousand, two hundred one".