12273522048 has 192 divisors, whose sum is σ = 35874558720. Its totient is φ = 4027345920.

The previous prime is 12273522043. The next prime is 12273522067. The reversal of 12273522048 is 84022537221.

12273522048 is a `hidden beast` number, since 1 + 22 + 73 + 522 + 0 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×12273522048² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12273522043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25202061 + ... + 25202547.

It is an arithmetic number, because the mean of its divisors is an integer number (186846660).

Almost surely, 2^12273522048 is an apocalyptic number.

12273522048 is a gapful number since it is divisible by the number (18) 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 12273522048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17937279360).

12273522048 is an abundant number, since it is smaller than the sum of its proper divisors (23601036672).

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

12273522048 is a wasteful number, since it uses less digits than its factorization.

12273522048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 12273522048 in words is "twelve billion, two hundred seventy-three million, five hundred twenty-two thousand, forty-eight".