12121200120002 has 4 divisors (see below), whose sum is σ = 18181800180006. Its totient is φ = 6060600060000.

The previous prime is 12121200119993. The next prime is 12121200120011. The reversal of 12121200120002 is 20002100212121.

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

It is an interprime number because it is at equal distance from previous prime (12121200119993) and next prime (12121200120011).

It can be written as a sum of positive squares in only one way, i.e., 7528926844321 + 4592273275681 = 2743889^2 + 2142959^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3030300029999 + ... + 3030300030002.

Almost surely, 2^{12121200120002} is an apocalyptic number.

12121200120002 is a deficient number, since it is larger than the sum of its proper divisors (6060600060004).

12121200120002 is an equidigital number, since it uses as much as digits as its factorization.

12121200120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6060600060003.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12121200120002 its reverse (20002100212121), we get a palindrome (32123300332123).

The spelling of 12121200120002 in words is "twelve trillion, one hundred twenty-one billion, two hundred million, one hundred twenty thousand, two".