10331320212 has 36 divisors (see below), whose sum is σ = 26167246560. Its totient is φ = 3436920912.

The previous prime is 10331320193. The next prime is 10331320217. The reversal of 10331320212 is 21202313301.

10331320212 is a `hidden beast` number, since 1 + 0 + 331 + 320 + 2 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10331320217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 267162 + ... + 303377.

It is an arithmetic number, because the mean of its divisors is an integer number (726867960).

Almost surely, 2^10331320212 is an apocalyptic number.

10331320212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10331320212 is an abundant number, since it is smaller than the sum of its proper divisors (15835926348).

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

10331320212 is a wasteful number, since it uses less digits than its factorization.

10331320212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571052 (or 571047 counting only the distinct ones).

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

Adding to 10331320212 its reverse (21202313301), we get a palindrome (31533633513).

The spelling of 10331320212 in words is "ten billion, three hundred thirty-one million, three hundred twenty thousand, two hundred twelve".