1204231022117 has 2 divisors, whose sum is σ = 1204231022118. Its totient is φ = 1204231022116.

The previous prime is 1204231022069. The next prime is 1204231022123. The reversal of 1204231022117 is 7112201324021.

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., 920830240801 + 283400781316 = 959599^2 + 532354^2 .

It is an emirp because it is prime and its reverse (7112201324021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1204231022117 - 2³⁶ = 1135511545381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1204231022017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602115511058 + 602115511059.

It is an arithmetic number, because the mean of its divisors is an integer number (602115511059).

Almost surely, 2^{1204231022117} is an apocalyptic number.

It is an amenable number.

1204231022117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204231022117 is an equidigital number, since it uses as much as digits as its factorization.

1204231022117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 1204231022117 its reverse (7112201324021), we get a palindrome (8316432346138).

The spelling of 1204231022117 in words is "one trillion, two hundred four billion, two hundred thirty-one million, twenty-two thousand, one hundred seventeen".