43120122420 has 48 divisors (see below), whose sum is σ = 120878029440. Its totient is φ = 11485205376.

The previous prime is 43120122407. The next prime is 43120122427. The reversal of 43120122420 is 2422102134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43120122427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370080 + ... + 472439.

It is an arithmetic number, because the mean of its divisors is an integer number (2518292280).

Almost surely, 2^43120122420 is an apocalyptic number.

It is an amenable number.

43120122420 is an abundant number, since it is smaller than the sum of its proper divisors (77757907020).

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

43120122420 is a wasteful number, since it uses less digits than its factorization.

43120122420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843384 (or 843382 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 43120122420 its reverse (2422102134), we get a palindrome (45542224554).

The spelling of 43120122420 in words is "forty-three billion, one hundred twenty million, one hundred twenty-two thousand, four hundred twenty".