20331201233012 has 24 divisors (see below), whose sum is σ = 36183385022400. Its totient is φ = 9993098262656.

The previous prime is 20331201233011. The next prime is 20331201233017. The reversal of 20331201233012 is 21033210213302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331201233011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11045564 + ... + 12754092.

It is an arithmetic number, because the mean of its divisors is an integer number (1507641042600).

Almost surely, 2^{20331201233012} is an apocalyptic number.

It is an amenable number.

20331201233012 is a deficient number, since it is larger than the sum of its proper divisors (15852183789388).

20331201233012 is a wasteful number, since it uses less digits than its factorization.

20331201233012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759015 (or 1759013 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20331201233012 its reverse (21033210213302), we get a palindrome (41364411446314).

The spelling of 20331201233012 in words is "twenty trillion, three hundred thirty-one billion, two hundred one million, two hundred thirty-three thousand, twelve".