122102001120 has 192 divisors, whose sum is σ = 420933106944. Its totient is φ = 29505515520.

The previous prime is 122102001107. The next prime is 122102001121. The reversal of 122102001120 is 21100201221.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 122102001096 and 122102001105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122102001121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1615699 + ... + 1689581.

It is an arithmetic number, because the mean of its divisors is an integer number (2192359932).

Almost surely, 2^122102001120 is an apocalyptic number.

122102001120 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 122102001120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210466553472).

122102001120 is an abundant number, since it is smaller than the sum of its proper divisors (298831105824).

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

122102001120 is a wasteful number, since it uses less digits than its factorization.

122102001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74225 (or 74217 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122102001120 its reverse (21100201221), we get a palindrome (143202202341).

The spelling of 122102001120 in words is "one hundred twenty-two billion, one hundred two million, one thousand, one hundred twenty".