12105235210 has 8 divisors (see below), whose sum is σ = 21789423396. Its totient is φ = 4842094080.

The previous prime is 12105235201. The next prime is 12105235211. The reversal of 12105235210 is 1253250121.

It can be written as a sum of positive squares in 2 ways, for example, as 11844186561 + 261048649 = 108831^2 + 16157^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12105235211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605261751 + ... + 605261770.

Almost surely, 2^12105235210 is an apocalyptic number.

12105235210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12105235210 is a deficient number, since it is larger than the sum of its proper divisors (9684188186).

12105235210 is a wasteful number, since it uses less digits than its factorization.

12105235210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210523528.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 12105235210 its reverse (1253250121), we get a palindrome (13358485331).

The spelling of 12105235210 in words is "twelve billion, one hundred five million, two hundred thirty-five thousand, two hundred ten".