12331351063644 has 24 divisors (see below), whose sum is σ = 28832234944128. Its totient is φ = 4102010002800.

The previous prime is 12331351063583. The next prime is 12331351063709. The reversal of 12331351063644 is 44636015313321.

It is a junction number, because it is equal to n+sod(n) for n = 12331351063596 and 12331351063605.

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, 1055037882 + ... + 1055049569.

It is an arithmetic number, because the mean of its divisors is an integer number (1201343122672).

Almost surely, 2^{12331351063644} is an apocalyptic number.

It is an amenable number.

12331351063644 is an abundant number, since it is smaller than the sum of its proper divisors (16500883880484).

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

12331351063644 is a wasteful number, since it uses less digits than its factorization.

12331351063644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110087945 (or 2110087943 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 42.

Adding to 12331351063644 its reverse (44636015313321), we get a palindrome (56967366376965).

The spelling of 12331351063644 in words is "twelve trillion, three hundred thirty-one billion, three hundred fifty-one million, sixty-three thousand, six hundred forty-four".