212243220004 has 12 divisors (see below), whose sum is σ = 383407107328. Its totient is φ = 102698332200.

The previous prime is 212243219971. The next prime is 212243220037. The reversal of 212243220004 is 400022342212.

It is an interprime number because it is at equal distance from previous prime (212243219971) and next prime (212243220037).

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, 855819312 + ... + 855819559.

Almost surely, 2^212243220004 is an apocalyptic number.

It is an amenable number.

212243220004 is a deficient number, since it is larger than the sum of its proper divisors (171163887324).

212243220004 is a wasteful number, since it uses less digits than its factorization.

212243220004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711638906 (or 1711638904 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 212243220004 its reverse (400022342212), we get a palindrome (612265562216).

The spelling of 212243220004 in words is "two hundred twelve billion, two hundred forty-three million, two hundred twenty thousand, four".