381201333322012 has 72 divisors (see below), whose sum is σ = 803862516416400. Its totient is φ = 157525032462336.

The previous prime is 381201333322009. The next prime is 381201333322063. The reversal of 381201333322012 is 210223333102183.

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 23 ways as a sum of consecutive naturals, for example, 41175493 + ... + 49576444.

It is an arithmetic number, because the mean of its divisors is an integer number (11164757172450).

Almost surely, 2^{381201333322012} is an apocalyptic number.

It is an amenable number.

381201333322012 is an abundant number, since it is smaller than the sum of its proper divisors (422661183094388).

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

381201333322012 is a wasteful number, since it uses less digits than its factorization.

381201333322012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90752723 (or 90752714 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

Adding to 381201333322012 its reverse (210223333102183), we get a palindrome (591424666424195).

The spelling of 381201333322012 in words is "three hundred eighty-one trillion, two hundred one billion, three hundred thirty-three million, three hundred twenty-two thousand, twelve".