21334212232013 has 8 divisors (see below), whose sum is σ = 21342946996800. Its totient is φ = 21325478188288.

The previous prime is 21334212231971. The next prime is 21334212232027. The reversal of 21334212232013 is 31023221243312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21334212232013 - 2¹⁴ = 21334212215629 is a prime.

It is a super-2 number, since 2×21334212232013² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21334212232043) by changing a digit.

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, 63589418 + ... + 63924036.

It is an arithmetic number, because the mean of its divisors is an integer number (2667868374600).

Almost surely, 2^{21334212232013} is an apocalyptic number.

It is an amenable number.

21334212232013 is a deficient number, since it is larger than the sum of its proper divisors (8734764787).

21334212232013 is a wasteful number, since it uses less digits than its factorization.

21334212232013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360531.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 21334212232013 its reverse (31023221243312), we get a palindrome (52357433475325).

The spelling of 21334212232013 in words is "twenty-one trillion, three hundred thirty-four billion, two hundred twelve million, two hundred thirty-two thousand, thirteen".