212020302132 has 36 divisors (see below), whose sum is σ = 550425082116. Its totient is φ = 68763340800.

The previous prime is 212020302097. The next prime is 212020302163. The reversal of 212020302132 is 231203020212.

212020302132 is a `hidden beast` number, since 212 + 0 + 20 + 302 + 132 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 123850501776 + 88169800356 = 351924^2 + 296934^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×212020302132² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79585869 + ... + 79588532.

Almost surely, 2^212020302132 is an apocalyptic number.

It is an amenable number.

212020302132 is an abundant number, since it is smaller than the sum of its proper divisors (338404779984).

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

212020302132 is a wasteful number, since it uses less digits than its factorization.

212020302132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159174448 (or 159174443 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 212020302132 its reverse (231203020212), we get a palindrome (443223322344).

The spelling of 212020302132 in words is "two hundred twelve billion, twenty million, three hundred two thousand, one hundred thirty-two".