1220000115200 has 60 divisors (see below), whose sum is σ = 3022645629630. Its totient is φ = 488000040960.

The previous prime is 1220000115167. The next prime is 1220000115241. The reversal of 1220000115200 is 25110000221.

It can be written as a sum of positive squares in 3 ways, for example, as 1064990976256 + 155009138944 = 1031984^2 + 393712^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47643455 + ... + 47669054.

Almost surely, 2^{1220000115200} is an apocalyptic number.

1220000115200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220000115200 is an abundant number, since it is smaller than the sum of its proper divisors (1802645514430).

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

1220000115200 is an frugal number, since it uses more digits than its factorization.

1220000115200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95312537 (or 95312516 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

Adding to 1220000115200 its reverse (25110000221), we get a palindrome (1245110115421).

The spelling of 1220000115200 in words is "one trillion, two hundred twenty billion, one hundred fifteen thousand, two hundred".