212022795834 has 64 divisors (see below), whose sum is σ = 473616823680. Its totient is φ = 70306704000.

The previous prime is 212022795833. The next prime is 212022795869. The reversal of 212022795834 is 438597220212.

212022795834 is a `hidden beast` number, since 21 + 20 + 2 + 27 + 9 + 583 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 212022795834.

It is not an unprimeable number, because it can be changed into a prime (212022795833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11606652 + ... + 11624904.

It is an arithmetic number, because the mean of its divisors is an integer number (7400262870).

Almost surely, 2^212022795834 is an apocalyptic number.

212022795834 is an abundant number, since it is smaller than the sum of its proper divisors (261594027846).

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

212022795834 is a wasteful number, since it uses less digits than its factorization.

212022795834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19372 (or 19366 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 212022795834 in words is "two hundred twelve billion, twenty-two million, seven hundred ninety-five thousand, eight hundred thirty-four".