43120221132 has 24 divisors (see below), whose sum is σ = 106532311536. Its totient is φ = 13527912448.

The previous prime is 43120221127. The next prime is 43120221143. The reversal of 43120221132 is 23112202134.

It is a super-2 number, since 2×43120221132² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43120221099 and 43120221108.

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, 105686613 + ... + 105687020.

It is an arithmetic number, because the mean of its divisors is an integer number (4438846314).

Almost surely, 2^43120221132 is an apocalyptic number.

It is an amenable number.

43120221132 is an abundant number, since it is smaller than the sum of its proper divisors (63412090404).

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

43120221132 is a wasteful number, since it uses less digits than its factorization.

43120221132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211373657 (or 211373655 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 43120221132 its reverse (23112202134), we get a palindrome (66232423266).

The spelling of 43120221132 in words is "forty-three billion, one hundred twenty million, two hundred twenty-one thousand, one hundred thirty-two".