12500012102 has 4 divisors (see below), whose sum is σ = 18750018156. Its totient is φ = 6250006050.

The previous prime is 12500012099. The next prime is 12500012113. The reversal of 12500012102 is 20121000521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20121000521 = 337 ⋅59706233.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3125003024 + ... + 3125003027.

It is an arithmetic number, because the mean of its divisors is an integer number (4687504539).

Almost surely, 2^12500012102 is an apocalyptic number.

12500012102 is a deficient number, since it is larger than the sum of its proper divisors (6250006054).

12500012102 is an equidigital number, since it uses as much as digits as its factorization.

12500012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6250006053.

The product of its (nonzero) digits is 40, while the sum is 14.

Adding to 12500012102 its reverse (20121000521), we get a palindrome (32621012623).

The spelling of 12500012102 in words is "twelve billion, five hundred million, twelve thousand, one hundred two".