1222141544000 has 112 divisors (see below), whose sum is σ = 3259451775216. Its totient is φ = 451252224000.

The previous prime is 1222141543999. The next prime is 1222141544053. The reversal of 1222141544000 is 4451412221.

It can be written as a sum of positive squares in 8 ways, for example, as 231384088576 + 990757455424 = 481024^2 + 995368^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5771681 + ... + 5979680.

It is an arithmetic number, because the mean of its divisors is an integer number (29102247993).

Almost surely, 2^{1222141544000} is an apocalyptic number.

1222141544000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222141544000 is an abundant number, since it is smaller than the sum of its proper divisors (2037310231216).

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

1222141544000 is a wasteful number, since it uses less digits than its factorization.

1222141544000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11751401 (or 11751381 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 1222141544000 its reverse (4451412221), we get a palindrome (1226592956221).

The spelling of 1222141544000 in words is "one trillion, two hundred twenty-two billion, one hundred forty-one million, five hundred forty-four thousand".