21514422104312 has 8 divisors (see below), whose sum is σ = 40339541445600. Its totient is φ = 10757211052152.

The previous prime is 21514422104311. The next prime is 21514422104317. The reversal of 21514422104312 is 21340122441512.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21514422104311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1344651381512 + ... + 1344651381527.

It is an arithmetic number, because the mean of its divisors is an integer number (5042442680700).

Almost surely, 2^{21514422104312} is an apocalyptic number.

It is an amenable number.

21514422104312 is a deficient number, since it is larger than the sum of its proper divisors (18825119341288).

21514422104312 is a wasteful number, since it uses less digits than its factorization.

21514422104312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2689302763045 (or 2689302763041 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

Adding to 21514422104312 its reverse (21340122441512), we get a palindrome (42854544545824).

The spelling of 21514422104312 in words is "twenty-one trillion, five hundred fourteen billion, four hundred twenty-two million, one hundred four thousand, three hundred twelve".