212223220012 has 6 divisors (see below), whose sum is σ = 371390635028. Its totient is φ = 106111610004.

The previous prime is 212223219997. The next prime is 212223220051. The reversal of 212223220012 is 210022322212.

212223220012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212223220012² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26527902498 + ... + 26527902505.

Almost surely, 2^212223220012 is an apocalyptic number.

It is an amenable number.

212223220012 is a deficient number, since it is larger than the sum of its proper divisors (159167415016).

212223220012 is a wasteful number, since it uses less digits than its factorization.

212223220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53055805007 (or 53055805005 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 212223220012 its reverse (210022322212), we get a palindrome (422245542224).

The spelling of 212223220012 in words is "two hundred twelve billion, two hundred twenty-three million, two hundred twenty thousand, twelve".