12002102173 has 2 divisors, whose sum is σ = 12002102174. Its totient is φ = 12002102172.

The previous prime is 12002102113. The next prime is 12002102183. The reversal of 12002102173 is 37120120021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6678648729 + 5323453444 = 81723^2 + 72962^2 .

It is a cyclic number.

It is not a de Polignac number, because 12002102173 - 2¹³ = 12002093981 is a prime.

It is a super-2 number, since 2×12002102173² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12002102173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12002102113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001051086 + 6001051087.

It is an arithmetic number, because the mean of its divisors is an integer number (6001051087).

Almost surely, 2^12002102173 is an apocalyptic number.

It is an amenable number.

12002102173 is a deficient number, since it is larger than the sum of its proper divisors (1).

12002102173 is an equidigital number, since it uses as much as digits as its factorization.

12002102173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 12002102173 its reverse (37120120021), we get a palindrome (49122222194).

The spelling of 12002102173 in words is "twelve billion, two million, one hundred two thousand, one hundred seventy-three".