12273932544 has 144 divisors (see below), whose sum is σ = 34725761280. Its totient is φ = 3835330560.

The previous prime is 12273932533. The next prime is 12273932563. The reversal of 12273932544 is 44523937221.

It is a junction number, because it is equal to n+sod(n) for n = 12273932496 and 12273932505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3536442 + ... + 3539910.

It is an arithmetic number, because the mean of its divisors is an integer number (241151120).

Almost surely, 2^12273932544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12273932544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17362880640).

12273932544 is an abundant number, since it is smaller than the sum of its proper divisors (22451828736).

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

12273932544 is a wasteful number, since it uses less digits than its factorization.

12273932544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3776 (or 3762 counting only the distinct ones).

The product of its digits is 362880, while the sum is 42.

The spelling of 12273932544 in words is "twelve billion, two hundred seventy-three million, nine hundred thirty-two thousand, five hundred forty-four".