212223219976 has 16 divisors (see below), whose sum is σ = 398118828240. Its totient is φ = 106058199120.

The previous prime is 212223219931. The next prime is 212223219979. The reversal of 212223219976 is 679912322212.

212223219976 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212223219979) 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, 6659470 + ... + 6691261.

It is an arithmetic number, because the mean of its divisors is an integer number (24882426765).

Almost surely, 2^212223219976 is an apocalyptic number.

It is an amenable number.

212223219976 is a deficient number, since it is larger than the sum of its proper divisors (185895608264).

212223219976 is a wasteful number, since it uses less digits than its factorization.

212223219976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13352724 (or 13352720 counting only the distinct ones).

The product of its digits is 326592, while the sum is 46.

The spelling of 212223219976 in words is "two hundred twelve billion, two hundred twenty-three million, two hundred nineteen thousand, nine hundred seventy-six".