121231330193 has 2 divisors, whose sum is σ = 121231330194. Its totient is φ = 121231330192.

The previous prime is 121231330159. The next prime is 121231330219. The reversal of 121231330193 is 391033132121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114320400769 + 6910929424 = 338113^2 + 83132^2 .

It is a cyclic number.

It is not a de Polignac number, because 121231330193 - 2³² = 116936362897 is a prime.

It is not a weakly prime, because it can be changed into another prime (121231330093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60615665096 + 60615665097.

It is an arithmetic number, because the mean of its divisors is an integer number (60615665097).

Almost surely, 2^121231330193 is an apocalyptic number.

It is an amenable number.

121231330193 is a deficient number, since it is larger than the sum of its proper divisors (1).

121231330193 is an equidigital number, since it uses as much as digits as its factorization.

121231330193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The spelling of 121231330193 in words is "one hundred twenty-one billion, two hundred thirty-one million, three hundred thirty thousand, one hundred ninety-three".