12246233540 has 24 divisors (see below), whose sum is σ = 25733023512. Its totient is φ = 4895458560.

The previous prime is 12246233507. The next prime is 12246233557. The reversal of 12246233540 is 4533264221.

It can be written as a sum of positive squares in 4 ways, for example, as 682672384 + 11563561156 = 26128^2 + 107534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12246233497 and 12246233506.

It is an unprimeable number.

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, 156449 + ... + 221288.

It is an arithmetic number, because the mean of its divisors is an integer number (1072209313).

Almost surely, 2^12246233540 is an apocalyptic number.

12246233540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12246233540 is an abundant number, since it is smaller than the sum of its proper divisors (13486789972).

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

12246233540 is a wasteful number, since it uses less digits than its factorization.

12246233540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379367 (or 379365 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 12246233540 its reverse (4533264221), we get a palindrome (16779497761).

The spelling of 12246233540 in words is "twelve billion, two hundred forty-six million, two hundred thirty-three thousand, five hundred forty".