122121210204 has 108 divisors (see below), whose sum is σ = 377994325800. Its totient is φ = 33055356096.

The previous prime is 122121210191. The next prime is 122121210221. The reversal of 122121210204 is 402012121221.

122121210204 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 1788319 + ... + 1855350.

Almost surely, 2^122121210204 is an apocalyptic number.

122121210204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

122121210204 is an abundant number, since it is smaller than the sum of its proper divisors (255873115596).

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

122121210204 is a wasteful number, since it uses less digits than its factorization.

122121210204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3643712 (or 3643700 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122121210204 its reverse (402012121221), we get a palindrome (524133331425).

The spelling of 122121210204 in words is "one hundred twenty-two billion, one hundred twenty-one million, two hundred ten thousand, two hundred four".