12120001200002 has 4 divisors (see below), whose sum is σ = 18180001800006. Its totient is φ = 6060000600000.

The previous prime is 12120001199987. The next prime is 12120001200023. The reversal of 12120001200002 is 20000210002121.

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 only one way, i.e., 10135506344161 + 1984494855841 = 3183631^2 + 1408721^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3030000299999 + ... + 3030000300002.

Almost surely, 2^{12120001200002} is an apocalyptic number.

12120001200002 is a deficient number, since it is larger than the sum of its proper divisors (6060000600004).

12120001200002 is an equidigital number, since it uses as much as digits as its factorization.

12120001200002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6060000600003.

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

Adding to 12120001200002 its reverse (20000210002121), we get a palindrome (32120211202123).

The spelling of 12120001200002 in words is "twelve trillion, one hundred twenty billion, one million, two hundred thousand, two".