122040344505 has 16 divisors (see below), whose sum is σ = 203754314880. Its totient is φ = 62258262528.

The previous prime is 122040344483. The next prime is 122040344509. The reversal of 122040344505 is 505443040221.

It is not a de Polignac number, because 122040344505 - 2¹⁴ = 122040328121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122040344509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176869720 + ... + 176870409.

It is an arithmetic number, because the mean of its divisors is an integer number (12734644680).

Almost surely, 2^122040344505 is an apocalyptic number.

122040344505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122040344505 is a deficient number, since it is larger than the sum of its proper divisors (81713970375).

122040344505 is a wasteful number, since it uses less digits than its factorization.

122040344505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353740160.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 122040344505 its reverse (505443040221), we get a palindrome (627483384726).

The spelling of 122040344505 in words is "one hundred twenty-two billion, forty million, three hundred forty-four thousand, five hundred five".