21212000132 has 12 divisors (see below), whose sum is σ = 37126374096. Its totient is φ = 10604464680.

The previous prime is 21212000119. The next prime is 21212000167. The reversal of 21212000132 is 23100021212.

It is a happy 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 3 ways as a sum of consecutive naturals, for example, 352478 + ... + 408245.

It is an arithmetic number, because the mean of its divisors is an integer number (3093864508).

Almost surely, 2^21212000132 is an apocalyptic number.

It is an amenable number.

21212000132 is a deficient number, since it is larger than the sum of its proper divisors (15914373964).

21212000132 is a wasteful number, since it uses less digits than its factorization.

21212000132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767698 (or 767696 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 21212000132 its reverse (23100021212), we get a palindrome (44312021344).

The spelling of 21212000132 in words is "twenty-one billion, two hundred twelve million, one hundred thirty-two", and thus it is an aban number.