12120002100002 has 4 divisors (see below), whose sum is σ = 18180003150006. Its totient is φ = 6060001050000.

The previous prime is 12120002099957. The next prime is 12120002100083. The reversal of 12120002100002 is 20000120002121.

It is a happy number.

12120002100002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 8591048240401 + 3528953859601 = 2931049^2 + 1878551^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3030000524999 + ... + 3030000525002.

Almost surely, 2^{12120002100002} is an apocalyptic number.

12120002100002 is a deficient number, since it is larger than the sum of its proper divisors (6060001050004).

12120002100002 is an equidigital number, since it uses as much as digits as its factorization.

12120002100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6060001050003.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12120002100002 its reverse (20000120002121), we get a palindrome (32120122102123).

The spelling of 12120002100002 in words is "twelve trillion, one hundred twenty billion, two million, one hundred thousand, two".