12402430202 has 4 divisors (see below), whose sum is σ = 18603645306. Its totient is φ = 6201215100.

The previous prime is 12402430181. The next prime is 12402430207. The reversal of 12402430202 is 20203420421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7470317761 + 4932112441 = 86431^2 + 70229^2 .

It is not an unprimeable number, because it can be changed into a prime (12402430207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3100607549 + ... + 3100607552.

Almost surely, 2^12402430202 is an apocalyptic number.

12402430202 is a deficient number, since it is larger than the sum of its proper divisors (6201215104).

12402430202 is an equidigital number, since it uses as much as digits as its factorization.

12402430202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6201215103.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 12402430202 its reverse (20203420421), we get a palindrome (32605850623).

The spelling of 12402430202 in words is "twelve billion, four hundred two million, four hundred thirty thousand, two hundred two".