2012402173 has 2 divisors, whose sum is σ = 2012402174. Its totient is φ = 2012402172.

The previous prime is 2012402159. The next prime is 2012402207. The reversal of 2012402173 is 3712042102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1296144004 + 716258169 = 36002^2 + 26763^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012402173 - 2⁵ = 2012402141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012402113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006201086 + 1006201087.

It is an arithmetic number, because the mean of its divisors is an integer number (1006201087).

Almost surely, 2^2012402173 is an apocalyptic number.

It is an amenable number.

2012402173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012402173 is an equidigital number, since it uses as much as digits as its factorization.

2012402173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 2012402173 is about 44859.8057619513. The cubic root of 2012402173 is about 1262.5199783526.

Adding to 2012402173 its reverse (3712042102), we get a palindrome (5724444275).

The spelling of 2012402173 in words is "two billion, twelve million, four hundred two thousand, one hundred seventy-three".