4021444321412 has 48 divisors (see below), whose sum is σ = 8163325957248. Its totient is φ = 1697670627840.

The previous prime is 4021444321373. The next prime is 4021444321451. The reversal of 4021444321412 is 2141234441204.

It is an interprime number because it is at equal distance from previous prime (4021444321373) and next prime (4021444321451).

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, 53655548 + ... + 53730444.

It is an arithmetic number, because the mean of its divisors is an integer number (170069290776).

Almost surely, 2^{4021444321412} is an apocalyptic number.

It is an amenable number.

4021444321412 is an abundant number, since it is smaller than the sum of its proper divisors (4141881635836).

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

4021444321412 is a wasteful number, since it uses less digits than its factorization.

4021444321412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103596 (or 103594 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 4021444321412 its reverse (2141234441204), we get a palindrome (6162678762616).

The spelling of 4021444321412 in words is "four trillion, twenty-one billion, four hundred forty-four million, three hundred twenty-one thousand, four hundred twelve".