43242420122 has 16 divisors (see below), whose sum is σ = 70796700000. Its totient is φ = 19645541040.

The previous prime is 43242420103. The next prime is 43242420157. The reversal of 43242420122 is 22102424234.

It is a junction number, because it is equal to n+sod(n) for n = 43242420091 and 43242420100.

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 7 ways as a sum of consecutive naturals, for example, 461372 + ... + 547127.

It is an arithmetic number, because the mean of its divisors is an integer number (4424793750).

Almost surely, 2^43242420122 is an apocalyptic number.

43242420122 is a deficient number, since it is larger than the sum of its proper divisors (27554279878).

43242420122 is a wasteful number, since it uses less digits than its factorization.

43242420122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010461.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 43242420122 its reverse (22102424234), we get a palindrome (65344844356).

It can be divided in two parts, 43242 and 420122, that added together give a palindrome (463364).

The spelling of 43242420122 in words is "forty-three billion, two hundred forty-two million, four hundred twenty thousand, one hundred twenty-two".