122002121222 has 16 divisors (see below), whose sum is σ = 194637002112. Its totient is φ = 57155303040.

The previous prime is 122002121209. The next prime is 122002121237. The reversal of 122002121222 is 222121200221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 122002121222.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8037929 + ... + 8053092.

It is an arithmetic number, because the mean of its divisors is an integer number (12164812632).

Almost surely, 2^122002121222 is an apocalyptic number.

122002121222 is a deficient number, since it is larger than the sum of its proper divisors (72634880890).

122002121222 is a wasteful number, since it uses less digits than its factorization.

122002121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16091263.

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

Adding to 122002121222 its reverse (222121200221), we get a palindrome (344123321443).

The spelling of 122002121222 in words is "one hundred twenty-two billion, two million, one hundred twenty-one thousand, two hundred twenty-two".