212012020320 has 96 divisors (see below), whose sum is σ = 668093233248. Its totient is φ = 56514920448.

The previous prime is 212012020313. The next prime is 212012020373. The reversal of 212012020320 is 23020210212.

It is a happy number.

212012020320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 212012020320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1192242 + ... + 1358478.

It is an arithmetic number, because the mean of its divisors is an integer number (6959304513).

Almost surely, 2^212012020320 is an apocalyptic number.

212012020320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212012020320 is an abundant number, since it is smaller than the sum of its proper divisors (456081212928).

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

212012020320 is a wasteful number, since it uses less digits than its factorization.

212012020320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168912 (or 168904 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 212012020320 its reverse (23020210212), we get a palindrome (235032230532).

The spelling of 212012020320 in words is "two hundred twelve billion, twelve million, twenty thousand, three hundred twenty".