12945228000 has 768 divisors, whose sum is σ = 48910417920. Its totient is φ = 2973696000.

The previous prime is 12945227963. The next prime is 12945228011. The reversal of 12945228000 is 82254921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 145451956 + ... + 145452044.

It is an arithmetic number, because the mean of its divisors is an integer number (63685440).

Almost surely, 2^12945228000 is an apocalyptic number.

12945228000 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 12945228000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24455208960).

12945228000 is an abundant number, since it is smaller than the sum of its proper divisors (35965189920).

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

12945228000 is a wasteful number, since it uses less digits than its factorization.

12945228000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 12945228000 in words is "twelve billion, nine hundred forty-five million, two hundred twenty-eight thousand".