212575959518423 has 2 divisors, whose sum is σ = 212575959518424. Its totient is φ = 212575959518422.

The previous prime is 212575959518399. The next prime is 212575959518479. The reversal of 212575959518423 is 324815959575212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212575959518423 - 2²² = 212575955324119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212575959518023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106287979759211 + 106287979759212.

It is an arithmetic number, because the mean of its divisors is an integer number (106287979759212).

Almost surely, 2^{212575959518423} is an apocalyptic number.

212575959518423 is a deficient number, since it is larger than the sum of its proper divisors (1).

212575959518423 is an equidigital number, since it uses as much as digits as its factorization.

212575959518423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160000, while the sum is 68.

The spelling of 212575959518423 in words is "two hundred twelve trillion, five hundred seventy-five billion, nine hundred fifty-nine million, five hundred eighteen thousand, four hundred twenty-three".