121200231127097 has 2 divisors, whose sum is σ = 121200231127098. Its totient is φ = 121200231127096.

The previous prime is 121200231127093. The next prime is 121200231127147. The reversal of 121200231127097 is 790721132002121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70364315062336 + 50835916064761 = 8388344^2 + 7129931^2 .

It is a cyclic number.

It is not a de Polignac number, because 121200231127097 - 2² = 121200231127093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121200231127097.

It is not a weakly prime, because it can be changed into another prime (121200231127093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600115563548 + 60600115563549.

It is an arithmetic number, because the mean of its divisors is an integer number (60600115563549).

Almost surely, 2^{121200231127097} is an apocalyptic number.

It is an amenable number.

121200231127097 is a deficient number, since it is larger than the sum of its proper divisors (1).

121200231127097 is an equidigital number, since it uses as much as digits as its factorization.

121200231127097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 38.

The spelling of 121200231127097 in words is "one hundred twenty-one trillion, two hundred billion, two hundred thirty-one million, one hundred twenty-seven thousand, ninety-seven".