10003123012 has 12 divisors (see below), whose sum is σ = 17978586220. Its totient is φ = 4866384096.

The previous prime is 10003123007. The next prime is 10003123037. The reversal of 10003123012 is 21032130001.

It can be written as a sum of positive squares in 2 ways, for example, as 4114709316 + 5888413696 = 64146^2 + 76736^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10003122983 and 10003123001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33794187 + ... + 33794482.

Almost surely, 2^10003123012 is an apocalyptic number.

It is an amenable number.

10003123012 is a deficient number, since it is larger than the sum of its proper divisors (7975463208).

10003123012 is a wasteful number, since it uses less digits than its factorization.

10003123012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67588710 (or 67588708 counting only the distinct ones).

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

Adding to 10003123012 its reverse (21032130001), we get a palindrome (31035253013).

The spelling of 10003123012 in words is "ten billion, three million, one hundred twenty-three thousand, twelve".