331121023213012 has 24 divisors (see below), whose sum is σ = 598157474432000. Its totient is φ = 160218947803680.

The previous prime is 331121023213003. The next prime is 331121023213021. The reversal of 331121023213012 is 210312320121133.

It is an interprime number because it is at equal distance from previous prime (331121023213003) and next prime (331121023213021).

It is a super-2 number, since 2×331121023213012² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14860933 + ... + 29716819.

Almost surely, 2^{331121023213012} is an apocalyptic number.

It is an amenable number.

331121023213012 is a deficient number, since it is larger than the sum of its proper divisors (267036451218988).

331121023213012 is a wasteful number, since it uses less digits than its factorization.

331121023213012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15035671 (or 15035669 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 331121023213012 its reverse (210312320121133), we get a palindrome (541433343334145).

The spelling of 331121023213012 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, twenty-three million, two hundred thirteen thousand, twelve".