10001230312 has 8 divisors (see below), whose sum is σ = 18752306850. Its totient is φ = 5000615152.

The previous prime is 10001230307. The next prime is 10001230313. The reversal of 10001230312 is 21303210001.

It can be written as a sum of positive squares in only one way, i.e., 10001200036 + 30276 = 100006^2 + 174^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 10001230292 and 10001230301.

It is not an unprimeable number, because it can be changed into a prime (10001230313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625076887 + ... + 625076902.

Almost surely, 2^10001230312 is an apocalyptic number.

It is an amenable number.

10001230312 is a deficient number, since it is larger than the sum of its proper divisors (8751076538).

10001230312 is a wasteful number, since it uses less digits than its factorization.

10001230312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250153795 (or 1250153791 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 10001230312 its reverse (21303210001), we get a palindrome (31304440313).

The spelling of 10001230312 in words is "ten billion, one million, two hundred thirty thousand, three hundred twelve".