705012012 has 36 divisors (see below), whose sum is σ = 1848120456. Its totient is φ = 235003680.

The previous prime is 705011969. The next prime is 705012019. The reversal of 705012012 is 210210507.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (705012019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 361689 + ... + 363632.

Almost surely, 2^705012012 is an apocalyptic number.

It is an amenable number.

705012012 is an abundant number, since it is smaller than the sum of its proper divisors (1143108444).

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

705012012 is a wasteful number, since it uses less digits than its factorization.

705012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725340 (or 725326 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 705012012 is about 26552.0622927862. The cubic root of 705012012 is about 890.0181000401.

Adding to 705012012 its reverse (210210507), we get a palindrome (915222519).

The spelling of 705012012 in words is "seven hundred five million, twelve thousand, twelve".