1122420312200 has 96 divisors (see below), whose sum is σ = 2847242452320. Its totient is φ = 408098880000.

The previous prime is 1122420312157. The next prime is 1122420312217. The reversal of 1122420312200 is 22130242211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19068815 + ... + 19127585.

It is an arithmetic number, because the mean of its divisors is an integer number (29658775545).

Almost surely, 2^{1122420312200} is an apocalyptic number.

1122420312200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122420312200 is an abundant number, since it is smaller than the sum of its proper divisors (1724822140120).

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

1122420312200 is a wasteful number, since it uses less digits than its factorization.

1122420312200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67479 (or 67470 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1122420312200 its reverse (22130242211), we get a palindrome (1144550554411).

The spelling of 1122420312200 in words is "one trillion, one hundred twenty-two billion, four hundred twenty million, three hundred twelve thousand, two hundred".