4021342241312 has 144 divisors (see below), whose sum is σ = 9122961923712. Its totient is φ = 1730210941440.

The previous prime is 4021342241311. The next prime is 4021342241341. The reversal of 4021342241312 is 2131422431204.

It is a super-3 number, since 3×4021342241312³ (a number of 39 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4021342241311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157175273 + ... + 157200855.

It is an arithmetic number, because the mean of its divisors is an integer number (63353902248).

Almost surely, 2^{4021342241312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4021342241312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4561480961856).

4021342241312 is an abundant number, since it is smaller than the sum of its proper divisors (5101619682400).

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

4021342241312 is a wasteful number, since it uses less digits than its factorization.

4021342241312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26879 (or 26852 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 4021342241312 its reverse (2131422431204), we get a palindrome (6152764672516).

The spelling of 4021342241312 in words is "four trillion, twenty-one billion, three hundred forty-two million, two hundred forty-one thousand, three hundred twelve".