12071057782 has 48 divisors (see below), whose sum is σ = 21649256640. Its totient is φ = 5030342352.

The previous prime is 12071057767. The next prime is 12071057797. The reversal of 12071057782 is 28775017021.

It is an interprime number because it is at equal distance from previous prime (12071057767) and next prime (12071057797).

It is a super-3 number, since 3×12071057782³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 950269 + ... + 962887.

It is an arithmetic number, because the mean of its divisors is an integer number (451026180).

Almost surely, 2^12071057782 is an apocalyptic number.

12071057782 is a deficient number, since it is larger than the sum of its proper divisors (9578198858).

12071057782 is a wasteful number, since it uses less digits than its factorization.

12071057782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12905 (or 12898 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 40.

The spelling of 12071057782 in words is "twelve billion, seventy-one million, fifty-seven thousand, seven hundred eighty-two".