12111304402 has 8 divisors (see below), whose sum is σ = 18173720700. Its totient is φ = 6053397504.

The previous prime is 12111304399. The next prime is 12111304477. The reversal of 12111304402 is 20440311121.

It can be written as a sum of positive squares in 2 ways, for example, as 11882962081 + 228342321 = 109009^2 + 15111^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12111304402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1120627 + ... + 1131382.

Almost surely, 2^12111304402 is an apocalyptic number.

12111304402 is a deficient number, since it is larger than the sum of its proper divisors (6062416298).

12111304402 is a wasteful number, since it uses less digits than its factorization.

12111304402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254700.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12111304402 its reverse (20440311121), we get a palindrome (32551615523).

The spelling of 12111304402 in words is "twelve billion, one hundred eleven million, three hundred four thousand, four hundred two".