1205427200000 has 168 divisors, whose sum is σ = 3013255201824. Its totient is φ = 482160640000.

The previous prime is 1205427199993. The next prime is 1205427200039. The reversal of 1205427200000 is 27245021.

It is a happy number.

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 11 ways as a sum of consecutive naturals, for example, 25576457 + ... + 25623543.

It is an arithmetic number, because the mean of its divisors is an integer number (17936042868).

Almost surely, 2^{1205427200000} is an apocalyptic number.

1205427200000 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 1205427200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1506627600912).

1205427200000 is an abundant number, since it is smaller than the sum of its proper divisors (1807828001824).

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

1205427200000 is an frugal number, since it uses more digits than its factorization.

1205427200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47138 (or 47094 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The spelling of 1205427200000 in words is "one trillion, two hundred five billion, four hundred twenty-seven million, two hundred thousand".