121231003032397 has 2 divisors, whose sum is σ = 121231003032398. Its totient is φ = 121231003032396.

The previous prime is 121231003032331. The next prime is 121231003032401. The reversal of 121231003032397 is 793230300132121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74998700312041 + 46232302720356 = 8660179^2 + 6799434^2 .

It is a cyclic number.

It is not a de Polignac number, because 121231003032397 - 2¹⁵ = 121231002999629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121231003032197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60615501516198 + 60615501516199.

It is an arithmetic number, because the mean of its divisors is an integer number (60615501516199).

Almost surely, 2^{121231003032397} is an apocalyptic number.

It is an amenable number.

121231003032397 is a deficient number, since it is larger than the sum of its proper divisors (1).

121231003032397 is an equidigital number, since it uses as much as digits as its factorization.

121231003032397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 37.

The spelling of 121231003032397 in words is "one hundred twenty-one trillion, two hundred thirty-one billion, three million, thirty-two thousand, three hundred ninety-seven".