122121313320000 has 280 divisors, whose sum is σ = 406333349156416. Its totient is φ = 32358253824000.

The previous prime is 122121313319969. The next prime is 122121313320037. The reversal of 122121313320000 is 23313121221.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15598989 + ... + 22081011.

Almost surely, 2^{122121313320000} is an apocalyptic number.

122121313320000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122121313320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203166674578208).

122121313320000 is an abundant number, since it is smaller than the sum of its proper divisors (284212035836416).

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

122121313320000 is an equidigital number, since it uses as much as digits as its factorization.

122121313320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6482215 (or 6482190 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 122121313320000 its reverse (23313121221), we get a palindrome (122144626441221).

The spelling of 122121313320000 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, three hundred thirteen million, three hundred twenty thousand".