212660543452001 has 2 divisors, whose sum is σ = 212660543452002. Its totient is φ = 212660543452000.

The previous prime is 212660543451931. The next prime is 212660543452003. The reversal of 212660543452001 is 100254345066212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116809081230625 + 95851462221376 = 10807825^2 + 9790376^2 .

It is a cyclic number.

It is not a de Polignac number, because 212660543452001 - 2¹⁰ = 212660543450977 is a prime.

Together with 212660543452003, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212660543452001.

It is not a weakly prime, because it can be changed into another prime (212660543452003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106330271726000 + 106330271726001.

It is an arithmetic number, because the mean of its divisors is an integer number (106330271726001).

Almost surely, 2^{212660543452001} is an apocalyptic number.

It is an amenable number.

212660543452001 is a deficient number, since it is larger than the sum of its proper divisors (1).

212660543452001 is an equidigital number, since it uses as much as digits as its factorization.

212660543452001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 212660543452001 in words is "two hundred twelve trillion, six hundred sixty billion, five hundred forty-three million, four hundred fifty-two thousand, one".