12001110210 has 96 divisors (see below), whose sum is σ = 32485854960. Its totient is φ = 3071084544.

The previous prime is 12001110193. The next prime is 12001110217. The reversal of 12001110210 is 1201110021.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6152990481 + 5848119729 = 78441^2 + 76473^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12001110192 and 12001110201.

It is not an unprimeable number, because it can be changed into a prime (12001110217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 218406 + ... + 267774.

Almost surely, 2^12001110210 is an apocalyptic number.

12001110210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12001110210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16242927480).

12001110210 is an abundant number, since it is smaller than the sum of its proper divisors (20484744750).

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

12001110210 is a wasteful number, since it uses less digits than its factorization.

12001110210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49492 (or 49489 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 12001110210 its reverse (1201110021), we get a palindrome (13202220231).

The spelling of 12001110210 in words is "twelve billion, one million, one hundred ten thousand, two hundred ten".