12422138645570 has 64 divisors (see below), whose sum is σ = 23555849898240. Its totient is φ = 4707258893568.

The previous prime is 12422138645551. The next prime is 12422138645591. The reversal of 12422138645570 is 7554683122421.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60993929 + ... + 61197251.

It is an arithmetic number, because the mean of its divisors is an integer number (368060154660).

Almost surely, 2^{12422138645570} is an apocalyptic number.

12422138645570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12422138645570 is a deficient number, since it is larger than the sum of its proper divisors (11133711252670).

12422138645570 is a wasteful number, since it uses less digits than its factorization.

12422138645570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205899.

The product of its (nonzero) digits is 3225600, while the sum is 50.

The spelling of 12422138645570 in words is "twelve trillion, four hundred twenty-two billion, one hundred thirty-eight million, six hundred forty-five thousand, five hundred seventy".