122003001220 has 24 divisors (see below), whose sum is σ = 258162081408. Its totient is φ = 48428671200.

The previous prime is 122003001181. The next prime is 122003001233. The reversal of 122003001220 is 22100300221.

It is a self number, because there is not a number n which added to its sum of digits gives 122003001220.

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, 23280396 + ... + 23285635.

It is an arithmetic number, because the mean of its divisors is an integer number (10756753392).

Almost surely, 2^122003001220 is an apocalyptic number.

122003001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122003001220 is an abundant number, since it is smaller than the sum of its proper divisors (136159080188).

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

122003001220 is a wasteful number, since it uses less digits than its factorization.

122003001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46566171 (or 46566169 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 122003001220 its reverse (22100300221), we get a palindrome (144103301441).

The spelling of 122003001220 in words is "one hundred twenty-two billion, three million, one thousand, two hundred twenty".