12122320020 has 24 divisors (see below), whose sum is σ = 33942496224. Its totient is φ = 3232618656.

The previous prime is 12122320013. The next prime is 12122320043. The reversal of 12122320020 is 2002322121.

It is a happy number.

12122320020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 101019274 + ... + 101019393.

It is an arithmetic number, because the mean of its divisors is an integer number (1414270676).

Almost surely, 2^12122320020 is an apocalyptic number.

12122320020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122320020 is an abundant number, since it is smaller than the sum of its proper divisors (21820176204).

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

12122320020 is a wasteful number, since it uses less digits than its factorization.

12122320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202038679 (or 202038677 counting only the distinct ones).

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

Adding to 12122320020 its reverse (2002322121), we get a palindrome (14124642141).

It can be divided in two parts, 1212 and 2320020, that added together give a palindrome (2321232).

The spelling of 12122320020 in words is "twelve billion, one hundred twenty-two million, three hundred twenty thousand, twenty".