1200117057000 has 256 divisors, whose sum is σ = 4056829920000. Its totient is φ = 294200524800.

The previous prime is 1200117056987. The next prime is 1200117057019. The reversal of 1200117057000 is 7507110021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1919376 + ... + 2466624.

It is an arithmetic number, because the mean of its divisors is an integer number (15846991875).

Almost surely, 2^{1200117057000} is an apocalyptic number.

1200117057000 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 1200117057000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2028414960000).

1200117057000 is an abundant number, since it is smaller than the sum of its proper divisors (2856712863000).

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

1200117057000 is a wasteful number, since it uses less digits than its factorization.

1200117057000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547333 (or 547319 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 24.

The spelling of 1200117057000 in words is "one trillion, two hundred billion, one hundred seventeen million, fifty-seven thousand".