1200120030211 has 4 divisors (see below), whose sum is σ = 1200122742024. Its totient is φ = 1200117318400.

The previous prime is 1200120030157. The next prime is 1200120030257. The reversal of 1200120030211 is 1120300210021.

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

It is a cyclic number.

It is not a de Polignac number, because 1200120030211 - 2³³ = 1191530095619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200120030191 and 1200120030200.

It is not an unprimeable number, because it can be changed into a prime (1200120030271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520510 + ... + 1634371.

It is an arithmetic number, because the mean of its divisors is an integer number (300030685506).

Almost surely, 2^{1200120030211} is an apocalyptic number.

1200120030211 is a deficient number, since it is larger than the sum of its proper divisors (2711813).

1200120030211 is an equidigital number, since it uses as much as digits as its factorization.

1200120030211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711812.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1200120030211 its reverse (1120300210021), we get a palindrome (2320420240232).

The spelling of 1200120030211 in words is "one trillion, two hundred billion, one hundred twenty million, thirty thousand, two hundred eleven".