12500033106 has 64 divisors (see below), whose sum is σ = 27575531136. Its totient is φ = 3745996800.

The previous prime is 12500033099. The next prime is 12500033113. The reversal of 12500033106 is 60133000521.

It is an interprime number because it is at equal distance from previous prime (12500033099) and next prime (12500033113).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3884010 + ... + 3887226.

It is an arithmetic number, because the mean of its divisors is an integer number (430867674).

Almost surely, 2^12500033106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12500033106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13787765568).

12500033106 is an abundant number, since it is smaller than the sum of its proper divisors (15075498030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12500033106 is a wasteful number, since it uses less digits than its factorization.

12500033106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3867.

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 12500033106 its reverse (60133000521), we get a palindrome (72633033627).

The spelling of 12500033106 in words is "twelve billion, five hundred million, thirty-three thousand, one hundred six".