4021144343412 has 24 divisors (see below), whose sum is σ = 10723051582656. Its totient is φ = 1148898383808.

The previous prime is 4021144343387. The next prime is 4021144343443. The reversal of 4021144343412 is 2143434411204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23935382913 + ... + 23935383080.

It is an arithmetic number, because the mean of its divisors is an integer number (446793815944).

Almost surely, 2^{4021144343412} is an apocalyptic number.

4021144343412 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4021144343412 is an abundant number, since it is smaller than the sum of its proper divisors (6701907239244).

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

4021144343412 is a wasteful number, since it uses less digits than its factorization.

4021144343412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47870766007 (or 47870766005 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 4021144343412 its reverse (2143434411204), we get a palindrome (6164578754616).

The spelling of 4021144343412 in words is "four trillion, twenty-one billion, one hundred forty-four million, three hundred forty-three thousand, four hundred twelve".