12001002073 has 2 divisors, whose sum is σ = 12001002074. Its totient is φ = 12001002072.

The previous prime is 12001002037. The next prime is 12001002089. The reversal of 12001002073 is 37020010021.

It is a happy number.

Together with previous prime (12001002037) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (12001002089) can be obtained adding 12001002073 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8629109449 + 3371892624 = 92893^2 + 58068^2 .

It is a cyclic number.

It is not a de Polignac number, because 12001002073 - 2²¹ = 11998904921 is a prime.

It is not a weakly prime, because it can be changed into another prime (12001002373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000501036 + 6000501037.

It is an arithmetic number, because the mean of its divisors is an integer number (6000501037).

Almost surely, 2^12001002073 is an apocalyptic number.

It is an amenable number.

12001002073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001002073 is an equidigital number, since it uses as much as digits as its factorization.

12001002073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 16.

Adding to 12001002073 its reverse (37020010021), we get a palindrome (49021012094).

The spelling of 12001002073 in words is "twelve billion, one million, two thousand, seventy-three".