12314100021 has 4 divisors (see below), whose sum is σ = 16418800032. Its totient is φ = 8209400012.

The previous prime is 12314099971. The next prime is 12314100067. The reversal of 12314100021 is 12000141321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12314100021 - 2¹⁹ = 12313575733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12314100521) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2052350001 + ... + 2052350006.

It is an arithmetic number, because the mean of its divisors is an integer number (4104700008).

Almost surely, 2^12314100021 is an apocalyptic number.

It is an amenable number.

12314100021 is a deficient number, since it is larger than the sum of its proper divisors (4104700011).

12314100021 is an equidigital number, since it uses as much as digits as its factorization.

12314100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4104700010.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12314100021 its reverse (12000141321), we get a palindrome (24314241342).

The spelling of 12314100021 in words is "twelve billion, three hundred fourteen million, one hundred thousand, twenty-one".