1200210120002 has 16 divisors (see below), whose sum is σ = 1807191243000. Its totient is φ = 597813492480.

The previous prime is 1200210119959. The next prime is 1200210120007. The reversal of 1200210120002 is 2000210120021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 535869384961 + 664340735041 = 732031^2 + 815071^2 .

It is not an unprimeable number, because it can be changed into a prime (1200210120007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5444624 + ... + 5660772.

Almost surely, 2^{1200210120002} is an apocalyptic number.

1200210120002 is a deficient number, since it is larger than the sum of its proper divisors (606981122998).

1200210120002 is a wasteful number, since it uses less digits than its factorization.

1200210120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226741.

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

Adding to 1200210120002 its reverse (2000210120021), we get a palindrome (3200420240023).

The spelling of 1200210120002 in words is "one trillion, two hundred billion, two hundred ten million, one hundred twenty thousand, two".