212207372228 has 12 divisors (see below), whose sum is σ = 371432967360. Its totient is φ = 106083667272.

The previous prime is 212207372219. The next prime is 212207372249. The reversal of 212207372228 is 822273702212.

It is a junction number, because it is equal to n+sod(n) for n = 212207372191 and 212207372200.

It is an unprimeable number.

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, 4980848 + ... + 5023271.

It is an arithmetic number, because the mean of its divisors is an integer number (30952747280).

Almost surely, 2^212207372228 is an apocalyptic number.

It is an amenable number.

212207372228 is a deficient number, since it is larger than the sum of its proper divisors (159225595132).

212207372228 is a wasteful number, since it uses less digits than its factorization.

212207372228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10009426 (or 10009424 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The spelling of 212207372228 in words is "two hundred twelve billion, two hundred seven million, three hundred seventy-two thousand, two hundred twenty-eight".