212332536165 has 16 divisors (see below), whose sum is σ = 339738968448. Its totient is φ = 113241715776.

The previous prime is 212332536149. The next prime is 212332536173. The reversal of 212332536165 is 561635233212.

It is not a de Polignac number, because 212332536165 - 2⁴ = 212332536149 is a prime.

It is a super-2 number, since 2×212332536165² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 831027 + ... + 1056063.

It is an arithmetic number, because the mean of its divisors is an integer number (21233685528).

Almost surely, 2^212332536165 is an apocalyptic number.

It is an amenable number.

212332536165 is a deficient number, since it is larger than the sum of its proper divisors (127406432283).

212332536165 is a wasteful number, since it uses less digits than its factorization.

212332536165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287948.

The product of its digits is 194400, while the sum is 39.

Adding to 212332536165 its reverse (561635233212), we get a palindrome (773967769377).

The spelling of 212332536165 in words is "two hundred twelve billion, three hundred thirty-two million, five hundred thirty-six thousand, one hundred sixty-five".