1230301222121 has 16 divisors (see below), whose sum is σ = 1261832916288. Its totient is φ = 1198843027200.

The previous prime is 1230301221997. The next prime is 1230301222181. The reversal of 1230301222121 is 1212221030321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230301222121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1230301222093 and 1230301222102.

It is not an unprimeable number, because it can be changed into a prime (1230301222181) 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 15 ways as a sum of consecutive naturals, for example, 187742981 + ... + 187749533.

It is an arithmetic number, because the mean of its divisors is an integer number (78864557268).

Almost surely, 2^{1230301222121} is an apocalyptic number.

It is an amenable number.

1230301222121 is a deficient number, since it is larger than the sum of its proper divisors (31531694167).

1230301222121 is a wasteful number, since it uses less digits than its factorization.

1230301222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11432.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1230301222121 its reverse (1212221030321), we get a palindrome (2442522252442).

The spelling of 1230301222121 in words is "one trillion, two hundred thirty billion, three hundred one million, two hundred twenty-two thousand, one hundred twenty-one".