307224520712 has 12 divisors (see below), whose sum is σ = 576048915855. Its totient is φ = 153611476488.

The previous prime is 307224520633. The next prime is 307224520747. The reversal of 307224520712 is 217025422703.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 153612260356 + 153612260356 = 391934^2 + 391934^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=391934.

It is a super-2 number, since 2×307224520712² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1469753 + ... + 1665719.

Almost surely, 2^307224520712 is an apocalyptic number.

It is an amenable number.

307224520712 is a deficient number, since it is larger than the sum of its proper divisors (268824395143).

307224520712 is an frugal number, since it uses more digits than its factorization.

307224520712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391940 (or 195969 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The spelling of 307224520712 in words is "three hundred seven billion, two hundred twenty-four million, five hundred twenty thousand, seven hundred twelve".