212200320042 has 48 divisors (see below), whose sum is σ = 477614854080. Its totient is φ = 68036270400.

The previous prime is 212200320041. The next prime is 212200320049. The reversal of 212200320042 is 240023002212.

212200320042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 212200319997 and 212200320024.

It is not an unprimeable number, because it can be changed into a prime (212200320041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1972492 + ... + 2077287.

It is an arithmetic number, because the mean of its divisors is an integer number (9950309460).

Almost surely, 2^212200320042 is an apocalyptic number.

212200320042 is an abundant number, since it is smaller than the sum of its proper divisors (265414534038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212200320042 is a wasteful number, since it uses less digits than its factorization.

212200320042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4049899 (or 4049896 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 212200320042 its reverse (240023002212), we get a palindrome (452223322254).

The spelling of 212200320042 in words is "two hundred twelve billion, two hundred million, three hundred twenty thousand, forty-two".