12102512403 has 8 divisors (see below), whose sum is σ = 16985982400. Its totient is φ = 7643692008.

The previous prime is 12102512399. The next prime is 12102512407. The reversal of 12102512403 is 30421520121.

It is an interprime number because it is at equal distance from previous prime (12102512399) and next prime (12102512407).

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

It is not a de Polignac number, because 12102512403 - 2² = 12102512399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12102512403.

It is not an unprimeable number, because it can be changed into a prime (12102512407) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 106162333 + ... + 106162446.

It is an arithmetic number, because the mean of its divisors is an integer number (2123247800).

Almost surely, 2^12102512403 is an apocalyptic number.

12102512403 is a deficient number, since it is larger than the sum of its proper divisors (4883469997).

12102512403 is a wasteful number, since it uses less digits than its factorization.

12102512403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212324801.

The product of its (nonzero) digits is 480, while the sum is 21.

The spelling of 12102512403 in words is "twelve billion, one hundred two million, five hundred twelve thousand, four hundred three".