21334324444012 has 12 divisors (see below), whose sum is σ = 37335118306360. Its totient is φ = 10667147785056.

The previous prime is 21334324443977. The next prime is 21334324444039. The reversal of 21334324444012 is 21044442343312.

It is a super-2 number, since 2×21334324444012² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151003 + ... + 6533869.

Almost surely, 2^{21334324444012} is an apocalyptic number.

It is an amenable number.

21334324444012 is a deficient number, since it is larger than the sum of its proper divisors (16000793862348).

21334324444012 is a wasteful number, since it uses less digits than its factorization.

21334324444012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7218480 (or 7218478 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 21334324444012 its reverse (21044442343312), we get a palindrome (42378766787324).

The spelling of 21334324444012 in words is "twenty-one trillion, three hundred thirty-four billion, three hundred twenty-four million, four hundred forty-four thousand, twelve".