12010010120020 has 48 divisors (see below), whose sum is σ = 27583145952768. Its totient is φ = 4356275679360.

The previous prime is 12010010119969. The next prime is 12010010120057. The reversal of 12010010120020 is 2002101001021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 12010010119979 and 12010010120006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68667012 + ... + 68841691.

It is an arithmetic number, because the mean of its divisors is an integer number (574648874016).

Almost surely, 2^{12010010120020} is an apocalyptic number.

12010010120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12010010120020 is an abundant number, since it is smaller than the sum of its proper divisors (15573135832748).

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

12010010120020 is a wasteful number, since it uses less digits than its factorization.

12010010120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137509120 (or 137509118 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12010010120020 its reverse (2002101001021), we get a palindrome (14012111121041).

The spelling of 12010010120020 in words is "twelve trillion, ten billion, ten million, one hundred twenty thousand, twenty".