12273619200 has 432 divisors, whose sum is σ = 44308164096. Its totient is φ = 2978611200.

The previous prime is 12273619139. The next prime is 12273619201. The reversal of 12273619200 is 291637221.

It is not an unprimeable number, because it can be changed into a prime (12273619201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10117794 + ... + 10119006.

Almost surely, 2^12273619200 is an apocalyptic number.

12273619200 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 12273619200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22154082048).

12273619200 is an abundant number, since it is smaller than the sum of its proper divisors (32034544896).

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

12273619200 is a wasteful number, since it uses less digits than its factorization.

12273619200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290 (or 1271 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The spelling of 12273619200 in words is "twelve billion, two hundred seventy-three million, six hundred nineteen thousand, two hundred".