12412040202 has 48 divisors (see below), whose sum is σ = 27649140480. Its totient is φ = 4021219296.

The previous prime is 12412040197. The next prime is 12412040203. The reversal of 12412040202 is 20204021421.

12412040202 is a `hidden beast` number, since 1 + 241 + 20 + 402 + 0 + 2 = 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 (12412040203) 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, 645199 + ... + 664157.

It is an arithmetic number, because the mean of its divisors is an integer number (576023760).

Almost surely, 2^12412040202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12412040202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13824570240).

12412040202 is an abundant number, since it is smaller than the sum of its proper divisors (15237100278).

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

12412040202 is a wasteful number, since it uses less digits than its factorization.

12412040202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19987 (or 19984 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12412040202 its reverse (20204021421), we get a palindrome (32616061623).

It can be divided in two parts, 12 and 412040202, that added together give a palindrome (412040214).

The spelling of 12412040202 in words is "twelve billion, four hundred twelve million, forty thousand, two hundred two".