12202323012 has 72 divisors (see below), whose sum is σ = 33746180832. Its totient is φ = 3686976000.

The previous prime is 12202322927. The next prime is 12202323073. The reversal of 12202323012 is 21032320221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93012 + ... + 181812.

It is an arithmetic number, because the mean of its divisors is an integer number (468696956).

Almost surely, 2^12202323012 is an apocalyptic number.

12202323012 is a gapful number since it is divisible by the number (12) 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 12202323012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16873090416).

12202323012 is an abundant number, since it is smaller than the sum of its proper divisors (21543857820).

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

12202323012 is a wasteful number, since it uses less digits than its factorization.

12202323012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89169 (or 89164 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12202323012 its reverse (21032320221), we get a palindrome (33234643233).

It can be divided in two parts, 1220 and 2323012, that added together give a palindrome (2324232).

The spelling of 12202323012 in words is "twelve billion, two hundred two million, three hundred twenty-three thousand, twelve".