12475920680 has 32 divisors (see below), whose sum is σ = 28086072840. Its totient is φ = 4987656960.

The previous prime is 12475920649. The next prime is 12475920689. The reversal of 12475920680 is 8602957421.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3672602404 + 8803318276 = 60602^2 + 93826^2 .

It is not an unprimeable number, because it can be changed into a prime (12475920689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9359 + ... + 158238.

Almost surely, 2^12475920680 is an apocalyptic number.

12475920680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12475920680 is an abundant number, since it is smaller than the sum of its proper divisors (15610152160).

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

12475920680 is a wasteful number, since it uses less digits than its factorization.

12475920680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169469 (or 169465 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 12475920680 in words is "twelve billion, four hundred seventy-five million, nine hundred twenty thousand, six hundred eighty".