212042302252 has 48 divisors (see below), whose sum is σ = 410460065568. Its totient is φ = 95044331520.

The previous prime is 212042302243. The next prime is 212042302253. The reversal of 212042302252 is 252203240212.

212042302252 is digitally balanced in base 2, 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 (212042302253) 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 15 ways as a sum of consecutive naturals, for example, 1092558 + ... + 1271914.

It is an arithmetic number, because the mean of its divisors is an integer number (8551251366).

Almost surely, 2^212042302252 is an apocalyptic number.

212042302252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212042302252 is a deficient number, since it is larger than the sum of its proper divisors (198417763316).

212042302252 is a wasteful number, since it uses less digits than its factorization.

212042302252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179746 (or 179744 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 212042302252 its reverse (252203240212), we get a palindrome (464245542464).

The spelling of 212042302252 in words is "two hundred twelve billion, forty-two million, three hundred two thousand, two hundred fifty-two".