43012341220 has 48 divisors (see below), whose sum is σ = 93718301040. Its totient is φ = 16562294784.

The previous prime is 43012341181. The next prime is 43012341241. The reversal of 43012341220 is 2214321034.

43012341220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 190660864 + 42821680356 = 13808^2 + 206934^2 .

It is a super-2 number, since 2×43012341220² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43012341191 and 43012341200.

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, 85432 + ... + 305488.

It is an arithmetic number, because the mean of its divisors is an integer number (1952464605).

Almost surely, 2^43012341220 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 43012341220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46859150520).

43012341220 is an abundant number, since it is smaller than the sum of its proper divisors (50705959820).

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

43012341220 is a wasteful number, since it uses less digits than its factorization.

43012341220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220432 (or 220430 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 43012341220 its reverse (2214321034), we get a palindrome (45226662254).

The spelling of 43012341220 in words is "forty-three billion, twelve million, three hundred forty-one thousand, two hundred twenty".