122002021120 has 72 divisors (see below), whose sum is σ = 333980557344. Its totient is φ = 41829261312.

The previous prime is 122002021111. The next prime is 122002021121. The reversal of 122002021120 is 21120200221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 122002021120.

It is not an unprimeable number, because it can be changed into a prime (122002021121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6799189 + ... + 6817108.

It is an arithmetic number, because the mean of its divisors is an integer number (4638618852).

Almost surely, 2^122002021120 is an apocalyptic number.

122002021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122002021120 is an abundant number, since it is smaller than the sum of its proper divisors (211978536224).

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

122002021120 is an equidigital number, since it uses as much as digits as its factorization.

122002021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13616325 (or 13616311 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 122002021120 its reverse (21120200221), we get a palindrome (143122221341).

The spelling of 122002021120 in words is "one hundred twenty-two billion, two million, twenty-one thousand, one hundred twenty".