1200453912000 has 896 divisors, whose sum is σ = 5329725972480. Its totient is φ = 258243379200.

The previous prime is 1200453911959. The next prime is 1200453912023. The reversal of 1200453912000 is 2193540021.

1200453912000 is a `hidden beast` number, since 1 + 2 + 0 + 0 + 4 + 539 + 120 + 0 + 0 = 666.

It is a super-2 number, since 2×1200453912000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 127 ways as a sum of consecutive naturals, for example, 25680649 + ... + 25727351.

It is an arithmetic number, because the mean of its divisors is an integer number (5948354880).

Almost surely, 2^{1200453912000} is an apocalyptic number.

1200453912000 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 1200453912000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2664862986240).

1200453912000 is an abundant number, since it is smaller than the sum of its proper divisors (4129272060480).

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

1200453912000 is a wasteful number, since it uses less digits than its factorization.

1200453912000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46763 (or 46737 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 1200453912000 in words is "one trillion, two hundred billion, four hundred fifty-three million, nine hundred twelve thousand".