1283203285326 has 24 divisors (see below), whose sum is σ = 2832731782920. Its totient is φ = 419663967216.

The previous prime is 1283203285313. The next prime is 1283203285337. The reversal of 1283203285326 is 6235823023821.

1283203285326 is a `hidden beast` number, since 1 + 2 + 83 + 2 + 0 + 32 + 8 + 532 + 6 = 666.

It is a super-2 number, since 2×1283203285326² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 672537456 + ... + 672539363.

It is an arithmetic number, because the mean of its divisors is an integer number (118030490955).

Almost surely, 2^{1283203285326} is an apocalyptic number.

1283203285326 is an abundant number, since it is smaller than the sum of its proper divisors (1549528497594).

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

1283203285326 is a wasteful number, since it uses less digits than its factorization.

1283203285326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345076880 (or 1345076877 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 1283203285326 in words is "one trillion, two hundred eighty-three billion, two hundred three million, two hundred eighty-five thousand, three hundred twenty-six".