121031220012323 has 2 divisors, whose sum is σ = 121031220012324. Its totient is φ = 121031220012322.

The previous prime is 121031220012299. The next prime is 121031220012331. The reversal of 121031220012323 is 323210022130121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121031220012323 - 2²⁰ = 121031218963747 is a prime.

It is not a weakly prime, because it can be changed into another prime (121031220012343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60515610006161 + 60515610006162.

It is an arithmetic number, because the mean of its divisors is an integer number (60515610006162).

Almost surely, 2^{121031220012323} is an apocalyptic number.

121031220012323 is a deficient number, since it is larger than the sum of its proper divisors (1).

121031220012323 is an equidigital number, since it uses as much as digits as its factorization.

121031220012323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 121031220012323 its reverse (323210022130121), we get a palindrome (444241242142444).

The spelling of 121031220012323 in words is "one hundred twenty-one trillion, thirty-one billion, two hundred twenty million, twelve thousand, three hundred twenty-three".