12320554500631 has 4 divisors (see below), whose sum is σ = 13268289462232. Its totient is φ = 11372819539032.

The previous prime is 12320554500607. The next prime is 12320554500637. The reversal of 12320554500631 is 13600545502321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12320554500631 - 2¹³ = 12320554492439 is a prime.

It is a super-2 number, since 2×12320554500631² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320554500637) 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, 473867480781 + ... + 473867480806.

It is an arithmetic number, because the mean of its divisors is an integer number (3317072365558).

Almost surely, 2^{12320554500631} is an apocalyptic number.

12320554500631 is a deficient number, since it is larger than the sum of its proper divisors (947734961601).

12320554500631 is an equidigital number, since it uses as much as digits as its factorization.

12320554500631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947734961600.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 12320554500631 in words is "twelve trillion, three hundred twenty billion, five hundred fifty-four million, five hundred thousand, six hundred thirty-one".