212020354144 has 12 divisors (see below), whose sum is σ = 417415072284. Its totient is φ = 106010177056.

The previous prime is 212020354123. The next prime is 212020354181. The reversal of 212020354144 is 441453020212.

212020354144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3312818002 + ... + 3312818065.

It is an arithmetic number, because the mean of its divisors is an integer number (34784589357).

Almost surely, 2^212020354144 is an apocalyptic number.

It is an amenable number.

212020354144 is a deficient number, since it is larger than the sum of its proper divisors (205394718140).

212020354144 is an equidigital number, since it uses as much as digits as its factorization.

212020354144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6625636077 (or 6625636069 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 212020354144 its reverse (441453020212), we get a palindrome (653473374356).

The spelling of 212020354144 in words is "two hundred twelve billion, twenty million, three hundred fifty-four thousand, one hundred forty-four".