1122506899200 has 432 divisors, whose sum is σ = 4358254491360. Its totient is φ = 281726484480.

The previous prime is 1122506899159. The next prime is 1122506899219. The reversal of 1122506899200 is 29986052211.

It is a happy number.

1122506899200 is a `hidden beast` number, since 11 + 22 + 506 + 8 + 99 + 20 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2746542 + ... + 3128658.

Almost surely, 2^{1122506899200} is an apocalyptic number.

1122506899200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122506899200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2179127245680).

1122506899200 is an abundant number, since it is smaller than the sum of its proper divisors (3235747592160).

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

1122506899200 is a wasteful number, since it uses less digits than its factorization.

1122506899200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382169 (or 382144 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 1122506899200 in words is "one trillion, one hundred twenty-two billion, five hundred six million, eight hundred ninety-nine thousand, two hundred".