651342012 has 48 divisors (see below), whose sum is σ = 1611096480. Its totient is φ = 204101632.

The previous prime is 651342011. The next prime is 651342061. The reversal of 651342012 is 210243156.

651342012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651342011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261718 + ... + 264194.

It is an arithmetic number, because the mean of its divisors is an integer number (33564510).

Almost surely, 2^651342012 is an apocalyptic number.

It is an amenable number.

651342012 is an abundant number, since it is smaller than the sum of its proper divisors (959754468).

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

651342012 is a wasteful number, since it uses less digits than its factorization.

651342012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3790 (or 3788 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 651342012 is about 25521.4030178593. The cubic root of 651342012 is about 866.8348510551.

Adding to 651342012 its reverse (210243156), we get a palindrome (861585168).

The spelling of 651342012 in words is "six hundred fifty-one million, three hundred forty-two thousand, twelve".