212000546257 has 4 divisors (see below), whose sum is σ = 212282838016. Its totient is φ = 211718254500.

The previous prime is 212000546249. The next prime is 212000546281. The reversal of 212000546257 is 752645000212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212000546257 - 2³ = 212000546249 is a prime.

It is a super-2 number, since 2×212000546257² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212000546297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141144753 + ... + 141146254.

It is an arithmetic number, because the mean of its divisors is an integer number (53070709504).

Almost surely, 2^212000546257 is an apocalyptic number.

It is an amenable number.

212000546257 is a deficient number, since it is larger than the sum of its proper divisors (282291759).

212000546257 is an equidigital number, since it uses as much as digits as its factorization.

212000546257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282291758.

The product of its (nonzero) digits is 33600, while the sum is 34.

Adding to 212000546257 its reverse (752645000212), we get a palindrome (964645546469).

The spelling of 212000546257 in words is "two hundred twelve billion, five hundred forty-six thousand, two hundred fifty-seven".