21424300342412 has 24 divisors (see below), whose sum is σ = 40907842957632. Its totient is φ = 9736674066000.

The previous prime is 21424300342409. The next prime is 21424300342441.

It is a happy number.

21424300342412 is nontrivially palindromic in base 10.

21424300342412 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40843214 + ... + 41364437.

It is an arithmetic number, because the mean of its divisors is an integer number (1704493456568).

Almost surely, 2^{21424300342412} is an apocalyptic number.

21424300342412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21424300342412 is a deficient number, since it is larger than the sum of its proper divisors (19483542615220).

21424300342412 is a wasteful number, since it uses less digits than its factorization.

21424300342412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82213589 (or 82213587 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

It can be divided in two parts, 21424300 and 342412, that added together give a palindrome (21766712).

The spelling of 21424300342412 in words is "twenty-one trillion, four hundred twenty-four billion, three hundred million, three hundred forty-two thousand, four hundred twelve".