655007012 has 24 divisors (see below), whose sum is σ = 1266303360. Its totient is φ = 293960160.

The previous prime is 655007011. The next prime is 655007053. The reversal of 655007012 is 210700556.

It is not an unprimeable number, because it can be changed into a prime (655007011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90743 + ... + 97694.

It is an arithmetic number, because the mean of its divisors is an integer number (52762640).

Almost surely, 2^655007012 is an apocalyptic number.

It is an amenable number.

655007012 is a deficient number, since it is larger than the sum of its proper divisors (611296348).

655007012 is a wasteful number, since it uses less digits than its factorization.

655007012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188531 (or 188529 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 655007012 is about 25593.1047745286. The cubic root of 655007012 is about 868.4576592955.

Adding to 655007012 its reverse (210700556), we get a palindrome (865707568).

The spelling of 655007012 in words is "six hundred fifty-five million, seven thousand, twelve".