122222022121220 has 48 divisors (see below), whose sum is σ = 308771424312960. Its totient is φ = 39699183124224.

The previous prime is 122222022121189. The next prime is 122222022121223. The reversal of 122222022121220 is 22121220222221.

122222022121220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (122222022121223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22974061649 + ... + 22974066968.

It is an arithmetic number, because the mean of its divisors is an integer number (6432738006520).

Almost surely, 2^{122222022121220} is an apocalyptic number.

122222022121220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122222022121220 is an abundant number, since it is smaller than the sum of its proper divisors (186549402191740).

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

122222022121220 is a wasteful number, since it uses less digits than its factorization.

122222022121220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45948128652 (or 45948128650 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 122222022121220 its reverse (22121220222221), we get a palindrome (144343242343441).

The spelling of 122222022121220 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, twenty-two million, one hundred twenty-one thousand, two hundred twenty".