242135123212097 has 2 divisors, whose sum is σ = 242135123212098. Its totient is φ = 242135123212096.

The previous prime is 242135123212057. The next prime is 242135123212117. The reversal of 242135123212097 is 790212321531242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209239667684161 + 32895455527936 = 14465119^2 + 5735456^2 .

It is a cyclic number.

It is not a de Polignac number, because 242135123212097 - 2³⁰ = 242134049470273 is a prime.

It is not a weakly prime, because it can be changed into another prime (242135123212007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121067561606048 + 121067561606049.

It is an arithmetic number, because the mean of its divisors is an integer number (121067561606049).

Almost surely, 2^{242135123212097} is an apocalyptic number.

It is an amenable number.

242135123212097 is a deficient number, since it is larger than the sum of its proper divisors (1).

242135123212097 is an equidigital number, since it uses as much as digits as its factorization.

242135123212097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 242135123212097 in words is "two hundred forty-two trillion, one hundred thirty-five billion, one hundred twenty-three million, two hundred twelve thousand, ninety-seven".