212454322399973 has 2 divisors, whose sum is σ = 212454322399974. Its totient is φ = 212454322399972.

The previous prime is 212454322399903. The next prime is 212454322400027. The reversal of 212454322399973 is 379993223454212.

212454322399973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184902394885924 + 27551927514049 = 13597882^2 + 5248993^2 .

It is a cyclic number.

It is not a de Polignac number, because 212454322399973 - 2¹⁰ = 212454322398949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212454322399903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106227161199986 + 106227161199987.

It is an arithmetic number, because the mean of its divisors is an integer number (106227161199987).

Almost surely, 2^{212454322399973} is an apocalyptic number.

It is an amenable number.

212454322399973 is a deficient number, since it is larger than the sum of its proper divisors (1).

212454322399973 is an equidigital number, since it uses as much as digits as its factorization.

212454322399973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 176359680, while the sum is 65.

The spelling of 212454322399973 in words is "two hundred twelve trillion, four hundred fifty-four billion, three hundred twenty-two million, three hundred ninety-nine thousand, nine hundred seventy-three".