12010002100 has 36 divisors (see below), whose sum is σ = 26073167148. Its totient is φ = 4801888000.

The previous prime is 12010002091. The next prime is 12010002107. The reversal of 12010002100 is 120001021.

It can be written as a sum of positive squares in 6 ways, for example, as 1093095844 + 10916906256 = 33062^2 + 104484^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010002107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212880 + ... + 263320.

It is an arithmetic number, because the mean of its divisors is an integer number (724254643).

Almost surely, 2^12010002100 is an apocalyptic number.

12010002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12010002100 is an abundant number, since it is smaller than the sum of its proper divisors (14063165048).

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

12010002100 is a wasteful number, since it uses less digits than its factorization.

12010002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52836 (or 52829 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 12010002100 its reverse (120001021), we get a palindrome (12130003121).

The spelling of 12010002100 in words is "twelve billion, ten million, two thousand, one hundred".