10012321010 has 16 divisors (see below), whose sum is σ = 18317624472. Its totient is φ = 3939273600.

The previous prime is 10012320937. The next prime is 10012321091. The reversal of 10012321010 is 1012321001.

It can be written as a sum of positive squares in 4 ways, for example, as 6599775121 + 3412545889 = 81239^2 + 58417^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10012320982 and 10012321000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8206211 + ... + 8207430.

Almost surely, 2^10012321010 is an apocalyptic number.

10012321010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10012321010 is a deficient number, since it is larger than the sum of its proper divisors (8305303462).

10012321010 is a wasteful number, since it uses less digits than its factorization.

10012321010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16413709.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10012321010 its reverse (1012321001), we get a palindrome (11024642011).

Subtracting from 10012321010 its reverse (1012321001), we obtain a palindrome (9000000009).

The spelling of 10012321010 in words is "ten billion, twelve million, three hundred twenty-one thousand, ten".