212136353056 has 24 divisors (see below), whose sum is σ = 418015415664. Its totient is φ = 105973707840.

The previous prime is 212136352973. The next prime is 212136353057. The reversal of 212136353056 is 650353631212.

It is not an unprimeable number, because it can be changed into a prime (212136353057) 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, 2915650 + ... + 2987521.

It is an arithmetic number, because the mean of its divisors is an integer number (17417308986).

Almost surely, 2^212136353056 is an apocalyptic number.

It is an amenable number.

212136353056 is a deficient number, since it is larger than the sum of its proper divisors (205879062608).

212136353056 is a wasteful number, since it uses less digits than its factorization.

212136353056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5904304 (or 5904296 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 37.

Adding to 212136353056 its reverse (650353631212), we get a palindrome (862489984268).

The spelling of 212136353056 in words is "two hundred twelve billion, one hundred thirty-six million, three hundred fifty-three thousand, fifty-six".