1122451352400 has 120 divisors (see below), whose sum is σ = 4109240981824. Its totient is φ = 256560307200.

The previous prime is 1122451352383. The next prime is 1122451352401. The reversal of 1122451352400 is 42531542211.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122451352401) by changing a digit.

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, 66804181 + ... + 66820980.

Almost surely, 2^{1122451352400} is an apocalyptic number.

1122451352400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122451352400 is an abundant number, since it is smaller than the sum of its proper divisors (2986789629424).

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

1122451352400 is a wasteful number, since it uses less digits than its factorization.

1122451352400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133625189 (or 133625178 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 1122451352400 its reverse (42531542211), we get a palindrome (1164982894611).

The spelling of 1122451352400 in words is "one trillion, one hundred twenty-two billion, four hundred fifty-one million, three hundred fifty-two thousand, four hundred".