122409338898 has 64 divisors (see below), whose sum is σ = 305302099968. Its totient is φ = 31786965120.

The previous prime is 122409338897. The next prime is 122409338929. The reversal of 122409338898 is 898833904221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (122409338897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2029411 + ... + 2088857.

It is an arithmetic number, because the mean of its divisors is an integer number (4770345312).

Almost surely, 2^122409338898 is an apocalyptic number.

122409338898 is an abundant number, since it is smaller than the sum of its proper divisors (182892761070).

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

122409338898 is a wasteful number, since it uses less digits than its factorization.

122409338898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63927.

The product of its (nonzero) digits is 5971968, while the sum is 57.

The spelling of 122409338898 in words is "one hundred twenty-two billion, four hundred nine million, three hundred thirty-eight thousand, eight hundred ninety-eight".