12925209201280 has 32 divisors (see below), whose sum is σ = 30899328248340. Its totient is φ = 5170083680256.

The previous prime is 12925209201257. The next prime is 12925209201287. The reversal of 12925209201280 is 8210290252921.

It can be written as a sum of positive squares in 2 ways, for example, as 12922989660736 + 2219540544 = 3594856^2 + 47112^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×12925209201280² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12925209201287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10097819049 + ... + 10097820328.

Almost surely, 2^{12925209201280} is an apocalyptic number.

12925209201280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12925209201280 is an abundant number, since it is smaller than the sum of its proper divisors (17974119047060).

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

12925209201280 is an equidigital number, since it uses as much as digits as its factorization.

12925209201280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20195639396 (or 20195639384 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 12925209201280 in words is "twelve trillion, nine hundred twenty-five billion, two hundred nine million, two hundred one thousand, two hundred eighty".