212162282802 has 54 divisors (see below), whose sum is σ = 477459625149. Its totient is φ = 70703173080.

The previous prime is 212162282753. The next prime is 212162282921. The reversal of 212162282802 is 208282261212.

It is a happy number.

212162282802 is a `hidden beast` number, since 2 + 1 + 2 + 1 + 622 + 8 + 28 + 0 + 2 = 666.

212162282802 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 156182249601 + 55980033201 = 395199^2 + 236601^2 .

It is a tau number, because it is divible by the number of its divisors (54).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=325701.

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 26 ways as a sum of consecutive naturals, for example, 52761552 + ... + 52765572.

Almost surely, 2^212162282802 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212162282802

212162282802 is an abundant number, since it is smaller than the sum of its proper divisors (265297342347).

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

212162282802 is an frugal number, since it uses more digits than its factorization.

212162282802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8068 (or 4026 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The spelling of 212162282802 in words is "two hundred twelve billion, one hundred sixty-two million, two hundred eighty-two thousand, eight hundred two".