122002122122 has 16 divisors (see below), whose sum is σ = 187271263872. Its totient is φ = 59578552320.

The previous prime is 122002122119. The next prime is 122002122127. The reversal of 122002122122 is 221221200221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 122002122122.

It is not an unprimeable number, because it can be changed into a prime (122002122127) by changing a digit.

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, 1636847 + ... + 1709757.

It is an arithmetic number, because the mean of its divisors is an integer number (11704453992).

Almost surely, 2^122002122122 is an apocalyptic number.

122002122122 is a deficient number, since it is larger than the sum of its proper divisors (65269141750).

122002122122 is a wasteful number, since it uses less digits than its factorization.

122002122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92413.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122002122122 its reverse (221221200221), we get a palindrome (343223322343).

The spelling of 122002122122 in words is "one hundred twenty-two billion, two million, one hundred twenty-two thousand, one hundred twenty-two".