12000000101 has 4 divisors (see below), whose sum is σ = 12000278604. Its totient is φ = 11999721600.

The previous prime is 12000000091. The next prime is 12000000139. The reversal of 12000000101 is 10100000021.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4634069476 + 7365930625 = 68074^2 + 85825^2 .

It is a cyclic number.

It is not a de Polignac number, because 12000000101 - 2²⁶ = 11932891237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000000401) 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, 59330 + ... + 165891.

It is an arithmetic number, because the mean of its divisors is an integer number (3000069651).

Almost surely, 2^12000000101 is an apocalyptic number.

It is an amenable number.

12000000101 is a deficient number, since it is larger than the sum of its proper divisors (278503).

12000000101 is an equidigital number, since it uses as much as digits as its factorization.

12000000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278502.

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 12000000101 its reverse (10100000021), we get a palindrome (22100000122).

The spelling of 12000000101 in words is "twelve billion, one hundred one", and thus it is an aban number.