1231583512352 has 18 divisors (see below), whose sum is σ = 2424692399409. Its totient is φ = 615788617280.

The previous prime is 1231583512343. The next prime is 1231583512399. The reversal of 1231583512352 is 2532153851321.

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 2 ways, for example, as 1231576135696 + 7376656 = 1109764^2 + 2716^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=784724.

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, 6179702 + ... + 6375882.

Almost surely, 2^{1231583512352} is an apocalyptic number.

It is an amenable number.

1231583512352 is a deficient number, since it is larger than the sum of its proper divisors (1193108887057).

1231583512352 is an frugal number, since it uses more digits than its factorization.

1231583512352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392372 (or 196183 counting only the distinct ones).

The product of its digits is 216000, while the sum is 41.

The spelling of 1231583512352 in words is "one trillion, two hundred thirty-one billion, five hundred eighty-three million, five hundred twelve thousand, three hundred fifty-two".