122012101220 has 24 divisors (see below), whose sum is σ = 256999521408. Its totient is φ = 48657391200.

The previous prime is 122012101213. The next prime is 122012101247. The reversal of 122012101220 is 22101210221.

It is a junction number, because it is equal to n+sod(n) for n = 122012101195 and 122012101204.

It is an unprimeable number.

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, 9208796 + ... + 9222035.

It is an arithmetic number, because the mean of its divisors is an integer number (10708313392).

Almost surely, 2^122012101220 is an apocalyptic number.

122012101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122012101220 is an abundant number, since it is smaller than the sum of its proper divisors (134987420188).

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

122012101220 is a wasteful number, since it uses less digits than its factorization.

122012101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18431171 (or 18431169 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122012101220 its reverse (22101210221), we get a palindrome (144113311441).

The spelling of 122012101220 in words is "one hundred twenty-two billion, twelve million, one hundred one thousand, two hundred twenty".