21213034141132 has 48 divisors (see below), whose sum is σ = 37828696187520. Its totient is φ = 10406714572800.

The previous prime is 21213034141127. The next prime is 21213034141141. The reversal of 21213034141132 is 23114143031212.

It is a self number, because there is not a number n which added to its sum of digits gives 21213034141132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33880032 + ... + 34500472.

It is an arithmetic number, because the mean of its divisors is an integer number (788097837240).

Almost surely, 2^{21213034141132} is an apocalyptic number.

It is an amenable number.

21213034141132 is a deficient number, since it is larger than the sum of its proper divisors (16615662046388).

21213034141132 is a wasteful number, since it uses less digits than its factorization.

21213034141132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621202 (or 621200 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 21213034141132 its reverse (23114143031212), we get a palindrome (44327177172344).

The spelling of 21213034141132 in words is "twenty-one trillion, two hundred thirteen billion, thirty-four million, one hundred forty-one thousand, one hundred thirty-two".