212891596016 has 40 divisors (see below), whose sum is σ = 450404766000. Its totient is φ = 96676574720.

The previous prime is 212891596013. The next prime is 212891596031. The reversal of 212891596016 is 610695198212.

212891596016 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 not an unprimeable number, because it can be changed into a prime (212891596013) 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 7 ways as a sum of consecutive naturals, for example, 391931 + ... + 761178.

It is an arithmetic number, because the mean of its divisors is an integer number (11260119150).

Almost surely, 2^212891596016 is an apocalyptic number.

It is an amenable number.

212891596016 is an abundant number, since it is smaller than the sum of its proper divisors (237513169984).

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

212891596016 is a wasteful number, since it uses less digits than its factorization.

212891596016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154177 (or 1154171 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 50.

The spelling of 212891596016 in words is "two hundred twelve billion, eight hundred ninety-one million, five hundred ninety-six thousand, sixteen".