122002221220000 has 180 divisors, whose sum is σ = 329910094833858. Its totient is φ = 44364443200000.

The previous prime is 122002221219937. The next prime is 122002221220039. The reversal of 122002221220000 is 22122200221.

It can be written as a sum of positive squares in 5 ways, for example, as 1552386418704 + 120449834801296 = 1245948^2 + 10974964^2 .

It is a super-2 number, since 2×122002221220000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 22787071 + ... + 27627070.

Almost surely, 2^{122002221220000} is an apocalyptic number.

122002221220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122002221220000 is an abundant number, since it is smaller than the sum of its proper divisors (207907873613858).

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

122002221220000 is an equidigital number, since it uses as much as digits as its factorization.

122002221220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50414193 (or 50414159 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 122002221220000 its reverse (22122200221), we get a palindrome (122024343420221).

It can be divided in two parts, 122002221 and 220000, that added together give a palindrome (122222221).

The spelling of 122002221220000 in words is "one hundred twenty-two trillion, two billion, two hundred twenty-one million, two hundred twenty thousand".