12246235540 has 96 divisors (see below), whose sum is σ = 32087881728. Its totient is φ = 3814032000.

The previous prime is 12246235457. The next prime is 12246235553. The reversal of 12246235540 is 4553264221.

It is a junction number, because it is equal to n+sod(n) for n = 12246235496 and 12246235505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2786745 + ... + 2791135.

It is an arithmetic number, because the mean of its divisors is an integer number (334248768).

Almost surely, 2^12246235540 is an apocalyptic number.

12246235540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12246235540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16043940864).

12246235540 is an abundant number, since it is smaller than the sum of its proper divisors (19841646188).

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

12246235540 is a wasteful number, since it uses less digits than its factorization.

12246235540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6229 (or 6227 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 12246235540 its reverse (4553264221), we get a palindrome (16799499761).

The spelling of 12246235540 in words is "twelve billion, two hundred forty-six million, two hundred thirty-five thousand, five hundred forty".