12010220211973 has 2 divisors, whose sum is σ = 12010220211974. Its totient is φ = 12010220211972.

The previous prime is 12010220211967. The next prime is 12010220212009. The reversal of 12010220211973 is 37911202201021.

12010220211973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10233645786049 + 1776574425924 = 3199007^2 + 1332882^2 .

It is a cyclic number.

It is not a de Polignac number, because 12010220211973 - 2⁹ = 12010220211461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12010220611973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005110105986 + 6005110105987.

It is an arithmetic number, because the mean of its divisors is an integer number (6005110105987).

Almost surely, 2^{12010220211973} is an apocalyptic number.

It is an amenable number.

12010220211973 is a deficient number, since it is larger than the sum of its proper divisors (1).

12010220211973 is an equidigital number, since it uses as much as digits as its factorization.

12010220211973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

Adding to 12010220211973 its reverse (37911202201021), we get a palindrome (49921422412994).

The spelling of 12010220211973 in words is "twelve trillion, ten billion, two hundred twenty million, two hundred eleven thousand, nine hundred seventy-three".