10231121312 has 24 divisors (see below), whose sum is σ = 20215254276. Its totient is φ = 5097088512.

The previous prime is 10231121309. The next prime is 10231121333. The reversal of 10231121312 is 21312113201.

It can be written as a sum of positive squares in 2 ways, for example, as 8737762576 + 1493358736 = 93476^2 + 38644^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568253 + ... + 585980.

Almost surely, 2^10231121312 is an apocalyptic number.

It is an amenable number.

10231121312 is a deficient number, since it is larger than the sum of its proper divisors (9984132964).

10231121312 is a wasteful number, since it uses less digits than its factorization.

10231121312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154520 (or 1154512 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10231121312 its reverse (21312113201), we get a palindrome (31543234513).

The spelling of 10231121312 in words is "ten billion, two hundred thirty-one million, one hundred twenty-one thousand, three hundred twelve".