20120122122102 has 16 divisors (see below), whose sum is σ = 44711382493680. Its totient is φ = 6706707374016.

The previous prime is 20120122122077. The next prime is 20120122122103. The reversal of 20120122122102 is 20122122102102.

It is a happy number.

20120122122102 is a `hidden beast` number, since 20 + 1 + 201 + 221 + 221 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120122122103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186297427003 + ... + 186297427110.

It is an arithmetic number, because the mean of its divisors is an integer number (2794461405855).

Almost surely, 2^{20120122122102} is an apocalyptic number.

20120122122102 is an abundant number, since it is smaller than the sum of its proper divisors (24591260371578).

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

20120122122102 is a wasteful number, since it uses less digits than its factorization.

20120122122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372594854124 (or 372594854118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20120122122102 its reverse (20122122102102), we get a palindrome (40242244224204).

The spelling of 20120122122102 in words is "twenty trillion, one hundred twenty billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred two".