10103212112 has 40 divisors (see below), whose sum is σ = 22407809856. Its totient is φ = 4322900736.

The previous prime is 10103212111. The next prime is 10103212127. The reversal of 10103212112 is 21121230101.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10103212111) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3998 + ... + 142205.

Almost surely, 2^10103212112 is an apocalyptic number.

It is an amenable number.

10103212112 is an abundant number, since it is smaller than the sum of its proper divisors (12304597744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10103212112 is a wasteful number, since it uses less digits than its factorization.

10103212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146835 (or 146829 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10103212112 its reverse (21121230101), we get a palindrome (31224442213).

The spelling of 10103212112 in words is "ten billion, one hundred three million, two hundred twelve thousand, one hundred twelve".