212231164517351 has 32 divisors (see below), whose sum is σ = 257910978659328. Its totient is φ = 170693603308800.

The previous prime is 212231164517297. The next prime is 212231164517369. The reversal of 212231164517351 is 153715461132212.

It is a cyclic number.

It is not a de Polignac number, because 212231164517351 - 2²⁶ = 212231097408487 is a prime.

It is a super-2 number, since 2×212231164517351² (a number of 29 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 (212231164517651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53118635 + ... + 56974131.

It is an arithmetic number, because the mean of its divisors is an integer number (8059718083104).

Almost surely, 2^{212231164517351} is an apocalyptic number.

212231164517351 is a deficient number, since it is larger than the sum of its proper divisors (45679814141977).

212231164517351 is a wasteful number, since it uses less digits than its factorization.

212231164517351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862031.

The product of its digits is 302400, while the sum is 44.

The spelling of 212231164517351 in words is "two hundred twelve trillion, two hundred thirty-one billion, one hundred sixty-four million, five hundred seventeen thousand, three hundred fifty-one".