21303341212140 has 144 divisors (see below), whose sum is σ = 69622463409408. Its totient is φ = 5241522074112.

The previous prime is 21303341212079. The next prime is 21303341212151. The reversal of 21303341212140 is 4121214330312.

21303341212140 is a `hidden beast` number, since 2 + 1 + 3 + 0 + 33 + 412 + 1 + 214 + 0 = 666.

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 47 ways as a sum of consecutive naturals, for example, 3101854 + ... + 7226906.

It is an arithmetic number, because the mean of its divisors is an integer number (483489329232).

Almost surely, 2^{21303341212140} is an apocalyptic number.

21303341212140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21303341212140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34811231704704).

21303341212140 is an abundant number, since it is smaller than the sum of its proper divisors (48319122197268).

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

21303341212140 is a wasteful number, since it uses less digits than its factorization.

21303341212140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4127288 (or 4127283 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 21303341212140 its reverse (4121214330312), we get a palindrome (25424555542452).

The spelling of 21303341212140 in words is "twenty-one trillion, three hundred three billion, three hundred forty-one million, two hundred twelve thousand, one hundred forty".