321021341412112 has 20 divisors (see below), whose sum is σ = 678522380712336. Its totient is φ = 145918791550880.

The previous prime is 321021341412049. The next prime is 321021341412263. The reversal of 321021341412112 is 211214143120123.

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 3 ways as a sum of consecutive naturals, for example, 911992447018 + ... + 911992447369.

Almost surely, 2^{321021341412112} is an apocalyptic number.

It is an amenable number.

321021341412112 is an abundant number, since it is smaller than the sum of its proper divisors (357501039300224).

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

321021341412112 is a wasteful number, since it uses less digits than its factorization.

321021341412112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823984894406 (or 1823984894400 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 321021341412112 its reverse (211214143120123), we get a palindrome (532235484532235).

The spelling of 321021341412112 in words is "three hundred twenty-one trillion, twenty-one billion, three hundred forty-one million, four hundred twelve thousand, one hundred twelve".