4351231555012 has 12 divisors (see below), whose sum is σ = 7614670681660. Its totient is φ = 2175611360256.

The previous prime is 4351231555003. The next prime is 4351231555031. The reversal of 4351231555012 is 2105551321534.

It can be written as a sum of positive squares in 2 ways, for example, as 165344703876 + 4185886851136 = 406626^2 + 2045944^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2232028 + ... + 3699244.

Almost surely, 2^{4351231555012} is an apocalyptic number.

It is an amenable number.

4351231555012 is a deficient number, since it is larger than the sum of its proper divisors (3263439126648).

4351231555012 is a wasteful number, since it uses less digits than its factorization.

4351231555012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208630 (or 2208628 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 37.

Adding to 4351231555012 its reverse (2105551321534), we get a palindrome (6456782876546).

The spelling of 4351231555012 in words is "four trillion, three hundred fifty-one billion, two hundred thirty-one million, five hundred fifty-five thousand, twelve".