12012020000100 has 108 divisors (see below), whose sum is σ = 37652202737604. Its totient is φ = 3203103805440.

The previous prime is 12012020000089. The next prime is 12012020000143. The reversal of 12012020000100 is 100002021021.

12012020000100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 5129710884 + 12006890289216 = 71622^2 + 3465096^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 30708952 + ... + 31097648.

Almost surely, 2^{12012020000100} is an apocalyptic number.

12012020000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012020000100 is an abundant number, since it is smaller than the sum of its proper divisors (25640182737504).

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

12012020000100 is a wasteful number, since it uses less digits than its factorization.

12012020000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423054 (or 423044 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12012020000100 its reverse (100002021021), we get a palindrome (12112022021121).

The spelling of 12012020000100 in words is "twelve trillion, twelve billion, twenty million, one hundred", and thus it is an aban number.