12525780227780 has 24 divisors (see below), whose sum is σ = 26329651750080. Its totient is φ = 5005452420320.

The previous prime is 12525780227777. The next prime is 12525780227783. The reversal of 12525780227780 is 8772208752521.

It is an interprime number because it is at equal distance from previous prime (12525780227777) and next prime (12525780227783).

It is not an unprimeable number, because it can be changed into a prime (12525780227783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303708290 + ... + 303749529.

It is an arithmetic number, because the mean of its divisors is an integer number (1097068822920).

Almost surely, 2^{12525780227780} is an apocalyptic number.

12525780227780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12525780227780 is an abundant number, since it is smaller than the sum of its proper divisors (13803871522300).

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

12525780227780 is a wasteful number, since it uses less digits than its factorization.

12525780227780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607458859 (or 607458857 counting only the distinct ones).

The product of its (nonzero) digits is 8780800, while the sum is 56.

The spelling of 12525780227780 in words is "twelve trillion, five hundred twenty-five billion, seven hundred eighty million, two hundred twenty-seven thousand, seven hundred eighty".