1200030444550 has 192 divisors, whose sum is σ = 2785820553216. Its totient is φ = 375236352000.

The previous prime is 1200030444523. The next prime is 1200030444563. The reversal of 1200030444550 is 554440300021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28223407 + ... + 28265893.

It is an arithmetic number, because the mean of its divisors is an integer number (14509482048).

Almost surely, 2^{1200030444550} is an apocalyptic number.

1200030444550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200030444550 is an abundant number, since it is smaller than the sum of its proper divisors (1585790108666).

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

1200030444550 is a wasteful number, since it uses less digits than its factorization.

1200030444550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42671 (or 42666 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 1200030444550 its reverse (554440300021), we get a palindrome (1754470744571).

The spelling of 1200030444550 in words is "one trillion, two hundred billion, thirty million, four hundred forty-four thousand, five hundred fifty".