331000121233212 has 24 divisors (see below), whose sum is σ = 772333914371712. Its totient is φ = 110333331150000.

The previous prime is 331000121233189. The next prime is 331000121233253. The reversal of 331000121233212 is 212332121000133.

It is a super-2 number, since 2×331000121233212² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

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, 50297587 + ... + 56496437.

It is an arithmetic number, because the mean of its divisors is an integer number (32180579765488).

Almost surely, 2^{331000121233212} is an apocalyptic number.

It is an amenable number.

331000121233212 is an abundant number, since it is smaller than the sum of its proper divisors (441333793138500).

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

331000121233212 is a wasteful number, since it uses less digits than its factorization.

331000121233212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10648609 (or 10648607 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 331000121233212 its reverse (212332121000133), we get a palindrome (543332242233345).

The spelling of 331000121233212 in words is "three hundred thirty-one trillion, one hundred twenty-one million, two hundred thirty-three thousand, two hundred twelve".