213221020132 has 24 divisors (see below), whose sum is σ = 376664654520. Its totient is φ = 105603091200.

The previous prime is 213221020121. The next prime is 213221020169. The reversal of 213221020132 is 231020122312.

213221020132 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 4 ways, for example, as 10014805476 + 203206214656 = 100074^2 + 450784^2 .

It is a super-2 number, since 2×213221020132² (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1547568 + ... + 1679704.

It is an arithmetic number, because the mean of its divisors is an integer number (15694360605).

Almost surely, 2^213221020132 is an apocalyptic number.

It is an amenable number.

213221020132 is a deficient number, since it is larger than the sum of its proper divisors (163443634388).

213221020132 is a wasteful number, since it uses less digits than its factorization.

213221020132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135951 (or 135949 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 213221020132 its reverse (231020122312), we get a palindrome (444241142444).

The spelling of 213221020132 in words is "two hundred thirteen billion, two hundred twenty-one million, twenty thousand, one hundred thirty-two".