1202210109173 has 2 divisors, whose sum is σ = 1202210109174. Its totient is φ = 1202210109172.

The previous prime is 1202210109167. The next prime is 1202210109193. The reversal of 1202210109173 is 3719010122021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 989631019204 + 212579089969 = 994802^2 + 461063^2 .

It is an emirp because it is prime and its reverse (3719010122021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1202210109173 - 2²⁸ = 1201941673717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202210109193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601105054586 + 601105054587.

It is an arithmetic number, because the mean of its divisors is an integer number (601105054587).

Almost surely, 2^{1202210109173} is an apocalyptic number.

It is an amenable number.

1202210109173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202210109173 is an equidigital number, since it uses as much as digits as its factorization.

1202210109173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The spelling of 1202210109173 in words is "one trillion, two hundred two billion, two hundred ten million, one hundred nine thousand, one hundred seventy-three".