1212000102073 has 2 divisors, whose sum is σ = 1212000102074. Its totient is φ = 1212000102072.

The previous prime is 1212000101989. The next prime is 1212000102109. The reversal of 1212000102073 is 3702010002121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1012734284409 + 199265817664 = 1006347^2 + 446392^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212000102073 - 2⁹ = 1212000101561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1212000102073.

It is not a weakly prime, because it can be changed into another prime (1212000132073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606000051036 + 606000051037.

It is an arithmetic number, because the mean of its divisors is an integer number (606000051037).

Almost surely, 2^{1212000102073} is an apocalyptic number.

It is an amenable number.

1212000102073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212000102073 is an equidigital number, since it uses as much as digits as its factorization.

1212000102073 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1212000102073 its reverse (3702010002121), we get a palindrome (4914010104194).

The spelling of 1212000102073 in words is "one trillion, two hundred twelve billion, one hundred two thousand, seventy-three".