651310012 has 6 divisors (see below), whose sum is σ = 1139792528. Its totient is φ = 325655004.

The previous prime is 651309983. The next prime is 651310013. The reversal of 651310012 is 210013156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651310013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81413748 + ... + 81413755.

Almost surely, 2^651310012 is an apocalyptic number.

It is an amenable number.

651310012 is a deficient number, since it is larger than the sum of its proper divisors (488482516).

651310012 is a wasteful number, since it uses less digits than its factorization.

651310012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162827507 (or 162827505 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 651310012 is about 25520.7760853780. The cubic root of 651310012 is about 866.8206551494.

Adding to 651310012 its reverse (210013156), we get a palindrome (861323168).

The spelling of 651310012 in words is "six hundred fifty-one million, three hundred ten thousand, twelve".