21314240146312 has 96 divisors (see below), whose sum is σ = 43863110403840. Its totient is φ = 9697742208000.

The previous prime is 21314240146279. The next prime is 21314240146333. The reversal of 21314240146312 is 21364104241312.

It is a Harshad number since it is a multiple of its sum of digits (34).

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 23 ways as a sum of consecutive naturals, for example, 78057862 + ... + 78330442.

It is an arithmetic number, because the mean of its divisors is an integer number (456907400040).

Almost surely, 2^{21314240146312} is an apocalyptic number.

It is an amenable number.

21314240146312 is an abundant number, since it is smaller than the sum of its proper divisors (22548870257528).

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

21314240146312 is a wasteful number, since it uses less digits than its factorization.

21314240146312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273743 (or 273722 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

Adding to 21314240146312 its reverse (21364104241312), we get a palindrome (42678344387624).

The spelling of 21314240146312 in words is "twenty-one trillion, three hundred fourteen billion, two hundred forty million, one hundred forty-six thousand, three hundred twelve".