12020100000100 has 144 divisors (see below), whose sum is σ = 27371118136320. Its totient is φ = 4575519961600.

The previous prime is 12020100000067. The next prime is 12020100000101. The reversal of 12020100000100 is 100000102021.

It is not an unprimeable number, because it can be changed into a prime (12020100000101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 968341494 + ... + 968353906.

It is an arithmetic number, because the mean of its divisors is an integer number (190077209280).

Almost surely, 2^{12020100000100} is an apocalyptic number.

12020100000100 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 12020100000100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13685559068160).

12020100000100 is an abundant number, since it is smaller than the sum of its proper divisors (15351018136220).

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

12020100000100 is a wasteful number, since it uses less digits than its factorization.

12020100000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17230 (or 17223 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 12020100000100 its reverse (100000102021), we get a palindrome (12120100102121).

The spelling of 12020100000100 in words is "twelve trillion, twenty billion, one hundred million, one hundred", and thus it is an aban number.