12020020220016 has 60 divisors (see below), whose sum is σ = 33642455829840. Its totient is φ = 4006304928000.

The previous prime is 12020020220003. The next prime is 12020020220017. The reversal of 12020020220016 is 61002202002021.

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 (12020020220017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2264860 + ... + 5400891.

It is an arithmetic number, because the mean of its divisors is an integer number (560707597164).

Almost surely, 2^{12020020220016} is an apocalyptic number.

12020020220016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12020020220016 is an abundant number, since it is smaller than the sum of its proper divisors (21622435609824).

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

12020020220016 is a wasteful number, since it uses less digits than its factorization.

12020020220016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7676654 (or 7676645 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12020020220016 its reverse (61002202002021), we get a palindrome (73022222222037).

The spelling of 12020020220016 in words is "twelve trillion, twenty billion, twenty million, two hundred twenty thousand, sixteen".