212502202144 has 24 divisors (see below), whose sum is σ = 422676744588. Its totient is φ = 105155727360.

The previous prime is 212502202067. The next prime is 212502202169. The reversal of 212502202144 is 441202205212.

It is a happy number.

212502202144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 205742073744 + 6760128400 = 453588^2 + 82220^2 .

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, 34227277 + ... + 34233484.

Almost surely, 2^212502202144 is an apocalyptic number.

It is an amenable number.

212502202144 is a deficient number, since it is larger than the sum of its proper divisors (210174542444).

212502202144 is an equidigital number, since it uses as much as digits as its factorization.

212502202144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68460868 (or 68460860 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 212502202144 its reverse (441202205212), we get a palindrome (653704407356).

The spelling of 212502202144 in words is "two hundred twelve billion, five hundred two million, two hundred two thousand, one hundred forty-four".