12001011211073 has 2 divisors, whose sum is σ = 12001011211074. Its totient is φ = 12001011211072.

The previous prime is 12001011211001. The next prime is 12001011211081. The reversal of 12001011211073 is 37011211010021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11958753008449 + 42258202624 = 3458143^2 + 205568^2 .

It is a cyclic number.

It is not a de Polignac number, because 12001011211073 - 2⁴² = 7602964699969 is a prime.

It is a super-2 number, since 2×12001011211073² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12001011211093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000505605536 + 6000505605537.

It is an arithmetic number, because the mean of its divisors is an integer number (6000505605537).

Almost surely, 2^{12001011211073} is an apocalyptic number.

It is an amenable number.

12001011211073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001011211073 is an equidigital number, since it uses as much as digits as its factorization.

12001011211073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 20.

Adding to 12001011211073 its reverse (37011211010021), we get a palindrome (49012222221094).

The spelling of 12001011211073 in words is "twelve trillion, one billion, eleven million, two hundred eleven thousand, seventy-three".