12422045532661 has 4 divisors (see below), whose sum is σ = 12422357692000. Its totient is φ = 12421733373324.

The previous prime is 12422045532613. The next prime is 12422045532671. The reversal of 12422045532661 is 16623554022421.

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 12422045532661 - 2¹⁵ = 12422045499893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12422045532601) 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 3 ways as a sum of consecutive naturals, for example, 156019971 + ... + 156099568.

It is an arithmetic number, because the mean of its divisors is an integer number (3105589423000).

Almost surely, 2^{12422045532661} is an apocalyptic number.

It is an amenable number.

12422045532661 is a deficient number, since it is larger than the sum of its proper divisors (312159339).

12422045532661 is an equidigital number, since it uses as much as digits as its factorization.

12422045532661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312159338.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 12422045532661 in words is "twelve trillion, four hundred twenty-two billion, forty-five million, five hundred thirty-two thousand, six hundred sixty-one".