1320120003211 has 4 divisors (see below), whose sum is σ = 1389600003400. Its totient is φ = 1250640003024.

The previous prime is 1320120003203. The next prime is 1320120003313. The reversal of 1320120003211 is 1123000210231.

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 1320120003211 - 2³ = 1320120003203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320120003511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34740000066 + ... + 34740000103.

It is an arithmetic number, because the mean of its divisors is an integer number (347400000850).

Almost surely, 2^{1320120003211} is an apocalyptic number.

1320120003211 is a deficient number, since it is larger than the sum of its proper divisors (69480000189).

1320120003211 is an equidigital number, since it uses as much as digits as its factorization.

1320120003211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69480000188.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1320120003211 its reverse (1123000210231), we get a palindrome (2443120213442).

The spelling of 1320120003211 in words is "one trillion, three hundred twenty billion, one hundred twenty million, three thousand, two hundred eleven".