12467285650 has 12 divisors (see below), whose sum is σ = 23189151402. Its totient is φ = 4986914240.

The previous prime is 12467285641. The next prime is 12467285653. The reversal of 12467285650 is 5658276421.

It is a Cunningham number, because it is equal to 111657²+1.

It can be written as a sum of positive squares in 3 ways, for example, as 11489910481 + 977375169 = 107191^2 + 31263^2 .

It is a super-2 number, since 2×12467285650² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12467285650.

It is not an unprimeable number, because it can be changed into a prime (12467285653) 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 5 ways as a sum of consecutive naturals, for example, 124672807 + ... + 124672906.

Almost surely, 2^12467285650 is an apocalyptic number.

12467285650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12467285650 is a deficient number, since it is larger than the sum of its proper divisors (10721865752).

12467285650 is a wasteful number, since it uses less digits than its factorization.

12467285650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249345725 (or 249345720 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 12467285650 in words is "twelve billion, four hundred sixty-seven million, two hundred eighty-five thousand, six hundred fifty".