1210948471297 has 2 divisors, whose sum is σ = 1210948471298. Its totient is φ = 1210948471296.

The previous prime is 1210948471261. The next prime is 1210948471307. The reversal of 1210948471297 is 7921748490121.

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., 969439129201 + 241509342096 = 984601^2 + 491436^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210948471297 - 2⁷ = 1210948471169 is a prime.

It is not a weakly prime, because it can be changed into another prime (1210948471207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605474235648 + 605474235649.

It is an arithmetic number, because the mean of its divisors is an integer number (605474235649).

Almost surely, 2^{1210948471297} is an apocalyptic number.

It is an amenable number.

1210948471297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210948471297 is an equidigital number, since it uses as much as digits as its factorization.

1210948471297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 55.

The spelling of 1210948471297 in words is "one trillion, two hundred ten billion, nine hundred forty-eight million, four hundred seventy-one thousand, two hundred ninety-seven".