212835270317 has 16 divisors (see below), whose sum is σ = 219037824000. Its totient is φ = 206733965760.

The previous prime is 212835270313. The next prime is 212835270421. The reversal of 212835270317 is 713072538212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 212835270317 - 2² = 212835270313 is a prime.

It is a super-2 number, since 2×212835270317² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212835270313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1615703 + ... + 1742459.

It is an arithmetic number, because the mean of its divisors is an integer number (13689864000).

Almost surely, 2^212835270317 is an apocalyptic number.

It is an amenable number.

212835270317 is a deficient number, since it is larger than the sum of its proper divisors (6202553683).

212835270317 is a wasteful number, since it uses less digits than its factorization.

212835270317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127156.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 212835270317 in words is "two hundred twelve billion, eight hundred thirty-five million, two hundred seventy thousand, three hundred seventeen".