122020210120 has 16 divisors (see below), whose sum is σ = 274545472860. Its totient is φ = 48808084032.

The previous prime is 122020210087. The next prime is 122020210127. The reversal of 122020210120 is 21012020221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 111034235524 + 10985974596 = 333218^2 + 104814^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122020210120.

It is not an unprimeable number, because it can be changed into a prime (122020210127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1525252587 + ... + 1525252666.

Almost surely, 2^122020210120 is an apocalyptic number.

122020210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122020210120 is an abundant number, since it is smaller than the sum of its proper divisors (152525262740).

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

122020210120 is a wasteful number, since it uses less digits than its factorization.

122020210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3050505264 (or 3050505260 counting only the distinct ones).

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

Adding to 122020210120 its reverse (21012020221), we get a palindrome (143032230341).

The spelling of 122020210120 in words is "one hundred twenty-two billion, twenty million, two hundred ten thousand, one hundred twenty".