12230202402 has 48 divisors (see below), whose sum is σ = 28976613120. Its totient is φ = 3697293600.

The previous prime is 12230202349. The next prime is 12230202403. The reversal of 12230202402 is 20420203221.

12230202402 is a `hidden beast` number, since 12 + 230 + 20 + 2 + 402 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (12230202403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9999 + ... + 156717.

It is an arithmetic number, because the mean of its divisors is an integer number (603679440).

Almost surely, 2^12230202402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12230202402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14488306560).

12230202402 is an abundant number, since it is smaller than the sum of its proper divisors (16746410718).

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

12230202402 is a wasteful number, since it uses less digits than its factorization.

12230202402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147159 (or 147156 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 12230202402 its reverse (20420203221), we get a palindrome (32650405623).

The spelling of 12230202402 in words is "twelve billion, two hundred thirty million, two hundred two thousand, four hundred two".