122002110120 has 128 divisors (see below), whose sum is σ = 400951296000. Its totient is φ = 29452442880.

The previous prime is 122002110107. The next prime is 122002110127. The reversal of 122002110120 is 21011200221.

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 = 122002110096 and 122002110105.

It is not an unprimeable number, because it can be changed into a prime (122002110127) 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, 122121 + ... + 508839.

It is an arithmetic number, because the mean of its divisors is an integer number (3132432000).

Almost surely, 2^122002110120 is an apocalyptic number.

122002110120 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 122002110120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200475648000).

122002110120 is an abundant number, since it is smaller than the sum of its proper divisors (278949185880).

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

122002110120 is a wasteful number, since it uses less digits than its factorization.

122002110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386983 (or 386979 counting only the distinct ones).

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

Adding to 122002110120 its reverse (21011200221), we get a palindrome (143013310341).

The spelling of 122002110120 in words is "one hundred twenty-two billion, two million, one hundred ten thousand, one hundred twenty".