121222021212323 has 2 divisors, whose sum is σ = 121222021212324. Its totient is φ = 121222021212322.

The previous prime is 121222021212307. The next prime is 121222021212353. The reversal of 121222021212323 is 323212120222121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121222021212323 - 2⁴ = 121222021212307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121222021212292 and 121222021212301.

It is not a weakly prime, because it can be changed into another prime (121222021212353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60611010606161 + 60611010606162.

It is an arithmetic number, because the mean of its divisors is an integer number (60611010606162).

Almost surely, 2^{121222021212323} is an apocalyptic number.

121222021212323 is a deficient number, since it is larger than the sum of its proper divisors (1).

121222021212323 is an equidigital number, since it uses as much as digits as its factorization.

121222021212323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 121222021212323 its reverse (323212120222121), we get a palindrome (444434141434444).

The spelling of 121222021212323 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, twenty-one million, two hundred twelve thousand, three hundred twenty-three".