331123000212 has 72 divisors (see below), whose sum is σ = 860211914016. Its totient is φ = 107318188224.

The previous prime is 331123000189. The next prime is 331123000277. The reversal of 331123000212 is 212000321133.

331123000212 is a `hidden beast` number, since 331 + 12 + 300 + 0 + 21 + 2 = 666.

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1891543 + ... + 2059169.

Almost surely, 2^331123000212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331123000212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430105957008).

331123000212 is an abundant number, since it is smaller than the sum of its proper divisors (529088913804).

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

331123000212 is a wasteful number, since it uses less digits than its factorization.

331123000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169157 (or 169152 counting only the distinct ones).

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

Adding to 331123000212 its reverse (212000321133), we get a palindrome (543123321345).

The spelling of 331123000212 in words is "three hundred thirty-one billion, one hundred twenty-three million, two hundred twelve", and thus it is an aban number.