21114012512352 has 96 divisors (see below), whose sum is σ = 55502017966080. Its totient is φ = 7028136299520.

The previous prime is 21114012512317. The next prime is 21114012512371. The reversal of 21114012512352 is 25321521041112.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480267652 + ... + 480311612.

It is an arithmetic number, because the mean of its divisors is an integer number (578146020480).

Almost surely, 2^{21114012512352} is an apocalyptic number.

It is an amenable number.

21114012512352 is an abundant number, since it is smaller than the sum of its proper divisors (34388005453728).

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

21114012512352 is a wasteful number, since it uses less digits than its factorization.

21114012512352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50876 (or 50868 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 21114012512352 its reverse (25321521041112), we get a palindrome (46435533553464).

The spelling of 21114012512352 in words is "twenty-one trillion, one hundred fourteen billion, twelve million, five hundred twelve thousand, three hundred fifty-two".