12145104602 has 8 divisors (see below), whose sum is σ = 18384791700. Its totient is φ = 6016840704.

The previous prime is 12145104593. The next prime is 12145104637. The reversal of 12145104602 is 20640154121.

It can be written as a sum of positive squares in 2 ways, for example, as 12076031881 + 69072721 = 109891^2 + 8311^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27855527 + ... + 27855962.

Almost surely, 2^12145104602 is an apocalyptic number.

12145104602 is a deficient number, since it is larger than the sum of its proper divisors (6239687098).

12145104602 is a wasteful number, since it uses less digits than its factorization.

12145104602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55711600.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 12145104602 its reverse (20640154121), we get a palindrome (32785258723).

The spelling of 12145104602 in words is "twelve billion, one hundred forty-five million, one hundred four thousand, six hundred two".