12354323202 has 128 divisors (see below), whose sum is σ = 30071193600. Its totient is φ = 3736819008.

The previous prime is 12354323183. The next prime is 12354323221. The reversal of 12354323202 is 20232345321.

12354323202 is a `hidden beast` number, since 1 + 23 + 5 + 432 + 3 + 202 = 666.

It is an interprime number because it is at equal distance from previous prime (12354323183) and next prime (12354323221).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20352783 + ... + 20353389.

It is an arithmetic number, because the mean of its divisors is an integer number (234931200).

Almost surely, 2^12354323202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12354323202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15035596800).

12354323202 is an abundant number, since it is smaller than the sum of its proper divisors (17716870398).

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

12354323202 is a wasteful number, since it uses less digits than its factorization.

12354323202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077 (or 1071 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 12354323202 its reverse (20232345321), we get a palindrome (32586668523).

The spelling of 12354323202 in words is "twelve billion, three hundred fifty-four million, three hundred twenty-three thousand, two hundred two".