122102204642 has 48 divisors (see below), whose sum is σ = 213520926528. Its totient is φ = 51922993920.

The previous prime is 122102204641. The next prime is 122102204647. The reversal of 122102204642 is 246402201221.

It is not an unprimeable number, because it can be changed into a prime (122102204641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1004288 + ... + 1119284.

It is an arithmetic number, because the mean of its divisors is an integer number (4448352636).

Almost surely, 2^122102204642 is an apocalyptic number.

122102204642 is a deficient number, since it is larger than the sum of its proper divisors (91418721886).

122102204642 is a wasteful number, since it uses less digits than its factorization.

122102204642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115211 (or 115194 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 122102204642 its reverse (246402201221), we get a palindrome (368504405863).

The spelling of 122102204642 in words is "one hundred twenty-two billion, one hundred two million, two hundred four thousand, six hundred forty-two".