21412114052 has 24 divisors (see below), whose sum is σ = 42897215424. Its totient is φ = 9160980192.

The previous prime is 21412114051. The next prime is 21412114111. The reversal of 21412114052 is 25041121412.

It is not an unprimeable number, because it can be changed into a prime (21412114051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634943 + ... + 667814.

It is an arithmetic number, because the mean of its divisors is an integer number (1787383976).

Almost surely, 2^21412114052 is an apocalyptic number.

It is an amenable number.

21412114052 is an abundant number, since it is smaller than the sum of its proper divisors (21485101372).

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

21412114052 is a wasteful number, since it uses less digits than its factorization.

21412114052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303355 (or 1303353 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 21412114052 its reverse (25041121412), we get a palindrome (46453235464).

The spelling of 21412114052 in words is "twenty-one billion, four hundred twelve million, one hundred fourteen thousand, fifty-two".