122440134230 has 32 divisors (see below), whose sum is σ = 224917711200. Its totient is φ = 47978472960.

The previous prime is 122440134209. The next prime is 122440134239. The reversal of 122440134230 is 32431044221.

It is a self number, because there is not a number n which added to its sum of digits gives 122440134230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122440134239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383555 + ... + 626094.

It is an arithmetic number, because the mean of its divisors is an integer number (7028678475).

Almost surely, 2^122440134230 is an apocalyptic number.

122440134230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122440134230 is a deficient number, since it is larger than the sum of its proper divisors (102477576970).

122440134230 is a wasteful number, since it uses less digits than its factorization.

122440134230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009904.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 122440134230 its reverse (32431044221), we get a palindrome (154871178451).

Subtracting from 122440134230 its reverse (32431044221), we obtain a palindrome (90009090009).

The spelling of 122440134230 in words is "one hundred twenty-two billion, four hundred forty million, one hundred thirty-four thousand, two hundred thirty".