4031221123230 has 128 divisors (see below), whose sum is σ = 11351689214976. Its totient is φ = 897135283200.

The previous prime is 4031221123183. The next prime is 4031221123249. The reversal of 4031221123230 is 323211221304.

It is a self number, because there is not a number n which added to its sum of digits gives 4031221123230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 75610 + ... + 2840450.

It is an arithmetic number, because the mean of its divisors is an integer number (88685071992).

Almost surely, 2^{4031221123230} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4031221123230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5675844607488).

4031221123230 is an abundant number, since it is smaller than the sum of its proper divisors (7320468091746).

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

4031221123230 is a wasteful number, since it uses less digits than its factorization.

4031221123230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765042.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 4031221123230 its reverse (323211221304), we get a palindrome (4354432344534).

The spelling of 4031221123230 in words is "four trillion, thirty-one billion, two hundred twenty-one million, one hundred twenty-three thousand, two hundred thirty".