12247690050 has 270 divisors, whose sum is σ = 35735015547. Its totient is φ = 3110166720.

The previous prime is 12247690009. The next prime is 12247690057. The reversal of 12247690050 is 5009674221.

It can be written as a sum of positive squares in 5 ways, for example, as 9713876481 + 2533813569 = 98559^2 + 50337^2 .

It is a tau number, because it is divible by the number of its divisors (270).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=78255.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12247689987 and 12247690014.

It is not an unprimeable number, because it can be changed into a prime (12247690057) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 260589127 + ... + 260589173.

Almost surely, 2^12247690050 is an apocalyptic number.

12247690050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12247690050

12247690050 is an abundant number, since it is smaller than the sum of its proper divisors (23487325497).

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

12247690050 is an equidigital number, since it uses as much as digits as its factorization.

12247690050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 12247690050 in words is "twelve billion, two hundred forty-seven million, six hundred ninety thousand, fifty".