12555001722 has 16 divisors (see below), whose sum is σ = 25112355840. Its totient is φ = 4184608512.

The previous prime is 12555001661. The next prime is 12555001747. The reversal of 12555001722 is 22710055521.

It is a self number, because there is not a number n which added to its sum of digits gives 12555001722.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24378 + ... + 160325.

It is an arithmetic number, because the mean of its divisors is an integer number (1569522240).

Almost surely, 2^12555001722 is an apocalyptic number.

12555001722 is an abundant number, since it is smaller than the sum of its proper divisors (12557354118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12555001722 is a wasteful number, since it uses less digits than its factorization.

12555001722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196037.

The product of its (nonzero) digits is 7000, while the sum is 30.

The spelling of 12555001722 in words is "twelve billion, five hundred fifty-five million, one thousand, seven hundred twenty-two".