21012413054 has 32 divisors (see below), whose sum is σ = 32010132960. Its totient is φ = 10343918592.

The previous prime is 21012413053. The next prime is 21012413057. The reversal of 21012413054 is 45031421012.

21012413054 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21012413053) by changing a digit.

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, 40176437 + ... + 40176959.

It is an arithmetic number, because the mean of its divisors is an integer number (1000316655).

Almost surely, 2^21012413054 is an apocalyptic number.

21012413054 is a deficient number, since it is larger than the sum of its proper divisors (10997719906).

21012413054 is a wasteful number, since it uses less digits than its factorization.

21012413054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 21012413054 its reverse (45031421012), we get a palindrome (66043834066).

The spelling of 21012413054 in words is "twenty-one billion, twelve million, four hundred thirteen thousand, fifty-four".