212953522667 has 2 divisors, whose sum is σ = 212953522668. Its totient is φ = 212953522666.

The previous prime is 212953522643. The next prime is 212953522693. The reversal of 212953522667 is 766225359212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212953522667 - 2¹⁶ = 212953457131 is a prime.

It is not a weakly prime, because it can be changed into another prime (212953522367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106476761333 + 106476761334.

It is an arithmetic number, because the mean of its divisors is an integer number (106476761334).

Almost surely, 2^212953522667 is an apocalyptic number.

212953522667 is a deficient number, since it is larger than the sum of its proper divisors (1).

212953522667 is an equidigital number, since it uses as much as digits as its factorization.

212953522667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 50.

The spelling of 212953522667 in words is "two hundred twelve billion, nine hundred fifty-three million, five hundred twenty-two thousand, six hundred sixty-seven".