212023420004 has 24 divisors (see below), whose sum is σ = 404842971456. Its totient is φ = 96357380000.

The previous prime is 212023420001. The next prime is 212023420013. The reversal of 212023420004 is 400024320212.

It is not an unprimeable number, because it can be changed into a prime (212023420001) 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 7 ways as a sum of consecutive naturals, for example, 167072 + ... + 672279.

It is an arithmetic number, because the mean of its divisors is an integer number (16868457144).

Almost surely, 2^212023420004 is an apocalyptic number.

It is an amenable number.

212023420004 is a deficient number, since it is larger than the sum of its proper divisors (192819551452).

212023420004 is a wasteful number, since it uses less digits than its factorization.

212023420004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845107 (or 845105 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 212023420004 its reverse (400024320212), we get a palindrome (612047740216).

The spelling of 212023420004 in words is "two hundred twelve billion, twenty-three million, four hundred twenty thousand, four".