12020223020100 has 72 divisors (see below), whose sum is σ = 34781569649568. Its totient is φ = 3205110988800.

The previous prime is 12020223020081. The next prime is 12020223020107. The reversal of 12020223020100 is 102032202021.

It is a happy number.

It is a super-2 number, since 2×12020223020100² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12020223020100.

It is not an unprimeable number, because it can be changed into a prime (12020223020107) 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 23 ways as a sum of consecutive naturals, for example, 1667652 + ... + 5178948.

It is an arithmetic number, because the mean of its divisors is an integer number (483077356244).

Almost surely, 2^{12020223020100} is an apocalyptic number.

12020223020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020223020100 is an abundant number, since it is smaller than the sum of its proper divisors (22761346629468).

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

12020223020100 is a wasteful number, since it uses less digits than its factorization.

12020223020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3522725 (or 3522718 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12020223020100 its reverse (102032202021), we get a palindrome (12122255222121).

The spelling of 12020223020100 in words is "twelve trillion, twenty billion, two hundred twenty-three million, twenty thousand, one hundred".