4021321341012 has 48 divisors (see below), whose sum is σ = 9412104042432. Its totient is φ = 1336295600640.

The previous prime is 4021321340999. The next prime is 4021321341067. The reversal of 4021321341012 is 2101431231204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34643623 + ... + 34759505.

It is an arithmetic number, because the mean of its divisors is an integer number (196085500884).

Almost surely, 2^{4021321341012} is an apocalyptic number.

It is an amenable number.

4021321341012 is an abundant number, since it is smaller than the sum of its proper divisors (5390782701420).

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

4021321341012 is a wasteful number, since it uses less digits than its factorization.

4021321341012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124808 (or 124806 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 4021321341012 its reverse (2101431231204), we get a palindrome (6122752572216).

The spelling of 4021321341012 in words is "four trillion, twenty-one billion, three hundred twenty-one million, three hundred forty-one thousand, twelve".