212142191352 has 64 divisors (see below), whose sum is σ = 652745210880. Its totient is φ = 55949588352.

The previous prime is 212142191311. The next prime is 212142191377. The reversal of 212142191352 is 253191241212.

212142191352 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 in 15 ways as a sum of consecutive naturals, for example, 48565168 + ... + 48569535.

It is an arithmetic number, because the mean of its divisors is an integer number (10199143920).

Almost surely, 2^212142191352 is an apocalyptic number.

It is an amenable number.

212142191352 is an abundant number, since it is smaller than the sum of its proper divisors (440603019528).

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

212142191352 is a wasteful number, since it uses less digits than its factorization.

212142191352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97134732 (or 97134728 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The spelling of 212142191352 in words is "two hundred twelve billion, one hundred forty-two million, one hundred ninety-one thousand, three hundred fifty-two".