21416355361412 has 96 divisors (see below), whose sum is σ = 41571242496000. Its totient is φ = 9572738630400.

The previous prime is 21416355361319. The next prime is 21416355361469.

21416355361412 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2355770987 + ... + 2355780077.

It is an arithmetic number, because the mean of its divisors is an integer number (433033776000).

Almost surely, 2^{21416355361412} is an apocalyptic number.

21416355361412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21416355361412 is a deficient number, since it is larger than the sum of its proper divisors (20154887134588).

21416355361412 is a wasteful number, since it uses less digits than its factorization.

21416355361412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12417 (or 12415 counting only the distinct ones).

The product of its digits is 518400, while the sum is 44.

The spelling of 21416355361412 in words is "twenty-one trillion, four hundred sixteen billion, three hundred fifty-five million, three hundred sixty-one thousand, four hundred twelve".