12275209725 has 48 divisors (see below), whose sum is σ = 21287232768. Its totient is φ = 6234243840.

The previous prime is 12275209691. The next prime is 12275209757. The reversal of 12275209725 is 52790257221.

It is not a de Polignac number, because 12275209725 - 2²¹ = 12273112573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83367 + ... + 177483.

It is an arithmetic number, because the mean of its divisors is an integer number (443484016).

Almost surely, 2^12275209725 is an apocalyptic number.

12275209725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12275209725 is a deficient number, since it is larger than the sum of its proper divisors (9012023043).

12275209725 is a wasteful number, since it uses less digits than its factorization.

12275209725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94214 (or 94209 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 42.

The spelling of 12275209725 in words is "twelve billion, two hundred seventy-five million, two hundred nine thousand, seven hundred twenty-five".