1203209208256 has 28 divisors (see below), whose sum is σ = 2604674480760. Its totient is φ = 546913276160.

The previous prime is 1203209208241. The next prime is 1203209208269. The reversal of 1203209208256 is 6528029023021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854551291 + ... + 854552698.

Almost surely, 2^{1203209208256} is an apocalyptic number.

1203209208256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1203209208256 is an abundant number, since it is smaller than the sum of its proper divisors (1401465272504).

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

1203209208256 is a wasteful number, since it uses less digits than its factorization.

1203209208256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709104012 (or 1709104002 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 1203209208256 in words is "one trillion, two hundred three billion, two hundred nine million, two hundred eight thousand, two hundred fifty-six".