1200720713024 has 56 divisors (see below), whose sum is σ = 2763705846720. Its totient is φ = 506914062336.

The previous prime is 1200720712999. The next prime is 1200720713033. The reversal of 1200720713024 is 4203170270021.

It is a tau number, because it is divible by the number of its divisors (56).

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 7 ways as a sum of consecutive naturals, for example, 19971329 + ... + 20031360.

It is an arithmetic number, because the mean of its divisors is an integer number (49351890120).

Almost surely, 2^{1200720713024} is an apocalyptic number.

1200720713024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1200720713024 is an abundant number, since it is smaller than the sum of its proper divisors (1562985133696).

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

1200720713024 is an equidigital number, since it uses as much as digits as its factorization.

1200720713024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40002775 (or 40002765 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

Adding to 1200720713024 its reverse (4203170270021), we get a palindrome (5403890983045).

The spelling of 1200720713024 in words is "one trillion, two hundred billion, seven hundred twenty million, seven hundred thirteen thousand, twenty-four".