10003120312 has 8 divisors (see below), whose sum is σ = 18755850600. Its totient is φ = 5001560152.

The previous prime is 10003120273. The next prime is 10003120313. The reversal of 10003120312 is 21302130001.

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 = 10003120292 and 10003120301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10003120313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625195012 + ... + 625195027.

It is an arithmetic number, because the mean of its divisors is an integer number (2344481325).

Almost surely, 2^10003120312 is an apocalyptic number.

It is an amenable number.

10003120312 is a deficient number, since it is larger than the sum of its proper divisors (8752730288).

10003120312 is a wasteful number, since it uses less digits than its factorization.

10003120312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250390045 (or 1250390041 counting only the distinct ones).

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

Adding to 10003120312 its reverse (21302130001), we get a palindrome (31305250313).

The spelling of 10003120312 in words is "ten billion, three million, one hundred twenty thousand, three hundred twelve".