122231243340 has 72 divisors (see below), whose sum is σ = 383553228240. Its totient is φ = 31471031424.

The previous prime is 122231243333. The next prime is 122231243341. The reversal of 122231243340 is 43342132221.

122231243340 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 312 + 4 + 3 + 340 = 666.

It is not an unprimeable number, because it can be changed into a prime (122231243341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11702754 + ... + 11713193.

It is an arithmetic number, because the mean of its divisors is an integer number (5327128170).

Almost surely, 2^122231243340 is an apocalyptic number.

122231243340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122231243340 is an abundant number, since it is smaller than the sum of its proper divisors (261321984900).

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

122231243340 is a wasteful number, since it uses less digits than its factorization.

122231243340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23415991 (or 23415986 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 122231243340 its reverse (43342132221), we get a palindrome (165573375561).

The spelling of 122231243340 in words is "one hundred twenty-two billion, two hundred thirty-one million, two hundred forty-three thousand, three hundred forty".