12101100002 has 4 divisors (see below), whose sum is σ = 18151650006. Its totient is φ = 6050550000.

The previous prime is 12101100001. The next prime is 12101100017. The reversal of 12101100002 is 20000110121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10282162801 + 1818937201 = 101401^2 + 42649^2 .

It is not an unprimeable number, because it can be changed into a prime (12101100001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3025274999 + ... + 3025275002.

Almost surely, 2^12101100002 is an apocalyptic number.

12101100002 is a deficient number, since it is larger than the sum of its proper divisors (6050550004).

12101100002 is an equidigital number, since it uses as much as digits as its factorization.

12101100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6050550003.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12101100002 its reverse (20000110121), we get a palindrome (32101210123).

The spelling of 12101100002 in words is "twelve billion, one hundred one million, one hundred thousand, two".