20231331210012 has 24 divisors (see below), whose sum is σ = 50837704066576. Its totient is φ = 6225024987648.

The previous prime is 20231331209987. The next prime is 20231331210071. The reversal of 20231331210012 is 21001213313202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64844010133 + ... + 64844010444.

Almost surely, 2^{20231331210012} is an apocalyptic number.

It is an amenable number.

20231331210012 is an abundant number, since it is smaller than the sum of its proper divisors (30606372856564).

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

20231331210012 is a wasteful number, since it uses less digits than its factorization.

20231331210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129688020597 (or 129688020595 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20231331210012 its reverse (21001213313202), we get a palindrome (41232544523214).

The spelling of 20231331210012 in words is "twenty trillion, two hundred thirty-one billion, three hundred thirty-one million, two hundred ten thousand, twelve".