212316238028 has 12 divisors (see below), whose sum is σ = 371567915712. Its totient is φ = 106153976400.

The previous prime is 212316238027. The next prime is 212316238037. The reversal of 212316238028 is 820832613212.

It is a junction number, because it is equal to n+sod(n) for n = 212316237982 and 212316238000.

It is not an unprimeable number, because it can be changed into a prime (212316238021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 918875 + ... + 1126482.

It is an arithmetic number, because the mean of its divisors is an integer number (30963992976).

Almost surely, 2^212316238028 is an apocalyptic number.

It is an amenable number.

212316238028 is a deficient number, since it is larger than the sum of its proper divisors (159251677684).

212316238028 is a wasteful number, since it uses less digits than its factorization.

212316238028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071312 (or 2071310 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 212316238028 in words is "two hundred twelve billion, three hundred sixteen million, two hundred thirty-eight thousand, twenty-eight".