43201231122 has 24 divisors (see below), whose sum is σ = 100508987376. Its totient is φ = 12343208808.

The previous prime is 43201231093. The next prime is 43201231153. The reversal of 43201231122 is 22113210234.

It is a super-2 number, since 2×43201231122² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73471188 + ... + 73471775.

It is an arithmetic number, because the mean of its divisors is an integer number (4187874474).

Almost surely, 2^43201231122 is an apocalyptic number.

43201231122 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

43201231122 is an abundant number, since it is smaller than the sum of its proper divisors (57307756254).

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

43201231122 is a wasteful number, since it uses less digits than its factorization.

43201231122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146942982 (or 146942975 counting only the distinct ones).

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

Adding to 43201231122 its reverse (22113210234), we get a palindrome (65314441356).

The spelling of 43201231122 in words is "forty-three billion, two hundred one million, two hundred thirty-one thousand, one hundred twenty-two".