12782033375 has 8 divisors (see below), whose sum is σ = 15951977808. Its totient is φ = 10225626600.

The previous prime is 12782033309. The next prime is 12782033399. The reversal of 12782033375 is 57333028721.

It is a de Polignac number, because none of the positive numbers 2^k-12782033375 is a prime.

It is a super-2 number, since 2×12782033375² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51128009 + ... + 51128258.

It is an arithmetic number, because the mean of its divisors is an integer number (1993997226).

Almost surely, 2^12782033375 is an apocalyptic number.

12782033375 is a deficient number, since it is larger than the sum of its proper divisors (3169944433).

12782033375 is an equidigital number, since it uses as much as digits as its factorization.

12782033375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102256282 (or 102256272 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 41.

The spelling of 12782033375 in words is "twelve billion, seven hundred eighty-two million, thirty-three thousand, three hundred seventy-five".