651224616412 has 12 divisors (see below), whose sum is σ = 1139653774000. Its totient is φ = 325609252416.

The previous prime is 651224616407. The next prime is 651224616479. The reversal of 651224616412 is 214616422156.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245328 + ... + 1167319.

Almost surely, 2^651224616412 is an apocalyptic number.

It is an amenable number.

651224616412 is a deficient number, since it is larger than the sum of its proper divisors (488429157588).

651224616412 is a wasteful number, since it uses less digits than its factorization.

651224616412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527900 (or 1527898 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The spelling of 651224616412 in words is "six hundred fifty-one billion, two hundred twenty-four million, six hundred sixteen thousand, four hundred twelve".