24221421344012 has 6 divisors (see below), whose sum is σ = 42387487352028. Its totient is φ = 12110710672004.

The previous prime is 24221421343969. The next prime is 24221421344039. The reversal of 24221421344012 is 21044312412242.

It is a super-2 number, since 2×24221421344012² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 24221421344012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3027677667998 + ... + 3027677668005.

It is an arithmetic number, because the mean of its divisors is an integer number (7064581225338).

Almost surely, 2^{24221421344012} is an apocalyptic number.

It is an amenable number.

24221421344012 is a deficient number, since it is larger than the sum of its proper divisors (18166066008016).

24221421344012 is a wasteful number, since it uses less digits than its factorization.

24221421344012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6055355336007 (or 6055355336005 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 24221421344012 its reverse (21044312412242), we get a palindrome (45265733756254).

The spelling of 24221421344012 in words is "twenty-four trillion, two hundred twenty-one billion, four hundred twenty-one million, three hundred forty-four thousand, twelve".