12231020120 has 64 divisors (see below), whose sum is σ = 30164106240. Its totient is φ = 4426531200.

The previous prime is 12231020089. The next prime is 12231020143. The reversal of 12231020120 is 2102013221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12231020095 and 12231020104.

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, 26969 + ... + 158711.

It is an arithmetic number, because the mean of its divisors is an integer number (471314160).

Almost surely, 2^12231020120 is an apocalyptic number.

12231020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12231020120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15082053120).

12231020120 is an abundant number, since it is smaller than the sum of its proper divisors (17933086120).

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

12231020120 is a wasteful number, since it uses less digits than its factorization.

12231020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131976 (or 131972 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12231020120 its reverse (2102013221), we get a palindrome (14333033341).

It can be divided in two parts, 12 and 231020120, that added together give a palindrome (231020132).

The spelling of 12231020120 in words is "twelve billion, two hundred thirty-one million, twenty thousand, one hundred twenty".