212056417 has 2 divisors, whose sum is σ = 212056418. Its totient is φ = 212056416.

The previous prime is 212056393. The next prime is 212056441. The reversal of 212056417 is 714650212.

212056417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (212056393) and next prime (212056441).

It can be written as a sum of positive squares in only one way, i.e., 206669376 + 5387041 = 14376^2 + 2321^2 .

It is a cyclic number.

It is not a de Polignac number, because 212056417 - 2¹⁵ = 212023649 is a prime.

It is not a weakly prime, because it can be changed into another prime (212051417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106028208 + 106028209.

It is an arithmetic number, because the mean of its divisors is an integer number (106028209).

Almost surely, 2^212056417 is an apocalyptic number.

It is an amenable number.

212056417 is a deficient number, since it is larger than the sum of its proper divisors (1).

212056417 is an equidigital number, since it uses as much as digits as its factorization.

212056417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 212056417 is about 14562.1570174202. The cubic root of 212056417 is about 596.3260840782.

The spelling of 212056417 in words is "two hundred twelve million, fifty-six thousand, four hundred seventeen".