1201196017897 has 2 divisors, whose sum is σ = 1201196017898. Its totient is φ = 1201196017896.

The previous prime is 1201196017829. The next prime is 1201196017921. The reversal of 1201196017897 is 7987106911021.

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., 1184638504921 + 16557512976 = 1088411^2 + 128676^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201196017897 - 2³⁵ = 1166836279529 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201196017997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600598008948 + 600598008949.

It is an arithmetic number, because the mean of its divisors is an integer number (600598008949).

Almost surely, 2^{1201196017897} is an apocalyptic number.

It is an amenable number.

1201196017897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201196017897 is an equidigital number, since it uses as much as digits as its factorization.

1201196017897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 52.

The spelling of 1201196017897 in words is "one trillion, two hundred one billion, one hundred ninety-six million, seventeen thousand, eight hundred ninety-seven".