1228500773200 has 120 divisors (see below), whose sum is σ = 3129025840640. Its totient is φ = 462695846400.

The previous prime is 1228500773147. The next prime is 1228500773209. The reversal of 1228500773200 is 23770058221.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 1228500773200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228500773209) 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, 880020 + ... + 1797619.

Almost surely, 2^{1228500773200} is an apocalyptic number.

1228500773200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1228500773200 is an abundant number, since it is smaller than the sum of its proper divisors (1900525067440).

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

1228500773200 is a wasteful number, since it uses less digits than its factorization.

1228500773200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2677725 (or 2677714 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The spelling of 1228500773200 in words is "one trillion, two hundred twenty-eight billion, five hundred million, seven hundred seventy-three thousand, two hundred".