12303203022 has 128 divisors (see below), whose sum is σ = 30156779520. Its totient is φ = 3687189120.

The previous prime is 12303203021. The next prime is 12303203041. The reversal of 12303203022 is 22030230321.

It is a happy number.

12303203022 is a `hidden beast` number, since 12 + 30 + 320 + 302 + 2 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 12303202986 and 12303203004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303203021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38811208 + ... + 38811524.

It is an arithmetic number, because the mean of its divisors is an integer number (235599840).

Almost surely, 2^12303203022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12303203022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15078389760).

12303203022 is an abundant number, since it is smaller than the sum of its proper divisors (17853576498).

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

12303203022 is a wasteful number, since it uses less digits than its factorization.

12303203022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 12303203022 its reverse (22030230321), we get a palindrome (34333433343).

The spelling of 12303203022 in words is "twelve billion, three hundred three million, two hundred three thousand, twenty-two".