212021020132 has 6 divisors (see below), whose sum is σ = 371036785238. Its totient is φ = 106010510064.

The previous prime is 212021020093. The next prime is 212021020147. The reversal of 212021020132 is 231020120212.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 114660795456 + 97360224676 = 338616^2 + 312026^2 .

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 as a sum of consecutive naturals, namely, 26502627513 + ... + 26502627520.

Almost surely, 2^212021020132 is an apocalyptic number.

It is an amenable number.

212021020132 is a deficient number, since it is larger than the sum of its proper divisors (159015765106).

212021020132 is a wasteful number, since it uses less digits than its factorization.

212021020132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53005255037 (or 53005255035 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 212021020132 its reverse (231020120212), we get a palindrome (443041140344).

The spelling of 212021020132 in words is "two hundred twelve billion, twenty-one million, twenty thousand, one hundred thirty-two".