212335440017 has 16 divisors (see below), whose sum is σ = 230150678400. Its totient is φ = 195156729600.

The previous prime is 212335439971. The next prime is 212335440041. The reversal of 212335440017 is 710044533212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212335440017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212335440817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549542 + ... + 852447.

It is an arithmetic number, because the mean of its divisors is an integer number (14384417400).

Almost surely, 2^212335440017 is an apocalyptic number.

It is an amenable number.

212335440017 is a deficient number, since it is larger than the sum of its proper divisors (17815238383).

212335440017 is a wasteful number, since it uses less digits than its factorization.

212335440017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402216.

The product of its (nonzero) digits is 20160, while the sum is 32.

Adding to 212335440017 its reverse (710044533212), we get a palindrome (922379973229).

The spelling of 212335440017 in words is "two hundred twelve billion, three hundred thirty-five million, four hundred forty thousand, seventeen".