6312131200221 has 64 divisors (see below), whose sum is σ = 10888084979712. Its totient is φ = 3156639480000.

The previous prime is 6312131200187. The next prime is 6312131200259. The reversal of 6312131200221 is 1220021312136.

It is not a de Polignac number, because 6312131200221 - 2⁷ = 6312131200093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6312131200191 and 6312131200200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6312131200121) 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 63 ways as a sum of consecutive naturals, for example, 939735 + ... + 3675236.

It is an arithmetic number, because the mean of its divisors is an integer number (170126327808).

Almost surely, 2^{6312131200221} is an apocalyptic number.

It is an amenable number.

6312131200221 is a deficient number, since it is larger than the sum of its proper divisors (4575953779491).

6312131200221 is a wasteful number, since it uses less digits than its factorization.

6312131200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4615214.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 6312131200221 its reverse (1220021312136), we get a palindrome (7532152512357).

The spelling of 6312131200221 in words is "six trillion, three hundred twelve billion, one hundred thirty-one million, two hundred thousand, two hundred twenty-one".