10303312212 has 48 divisors (see below), whose sum is σ = 27633412800. Its totient is φ = 3316007520.

The previous prime is 10303312157. The next prime is 10303312273. The reversal of 10303312212 is 21221330301.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1641714 + ... + 1647977.

It is an arithmetic number, because the mean of its divisors is an integer number (575696100).

Almost surely, 2^10303312212 is an apocalyptic number.

10303312212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10303312212 is an abundant number, since it is smaller than the sum of its proper divisors (17330100588).

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

10303312212 is a wasteful number, since it uses less digits than its factorization.

10303312212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3289733 (or 3289725 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10303312212 its reverse (21221330301), we get a palindrome (31524642513).

The spelling of 10303312212 in words is "ten billion, three hundred three million, three hundred twelve thousand, two hundred twelve".