203139845712 has 30 divisors (see below), whose sum is σ = 568509429722. Its totient is φ = 67713281856.

The previous prime is 203139845687. The next prime is 203139845723. The reversal of 203139845712 is 217548931302.

It is a happy number.

203139845712 is a `hidden beast` number, since 203 + 1 + 398 + 4 + 57 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 145234161216 + 57905684496 = 381096^2 + 240636^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 705346543 + ... + 705346830.

Almost surely, 2^203139845712 is an apocalyptic number.

It is an amenable number.

203139845712 is an abundant number, since it is smaller than the sum of its proper divisors (365369584010).

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

203139845712 is a wasteful number, since it uses less digits than its factorization.

203139845712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410693387 (or 1410693378 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 203139845712 in words is "two hundred three billion, one hundred thirty-nine million, eight hundred forty-five thousand, seven hundred twelve".