1320120002011 has 16 divisors (see below), whose sum is σ = 1336419025920. Its totient is φ = 1303900830720.

The previous prime is 1320120001973. The next prime is 1320120002017. The reversal of 1320120002011 is 1102000210231.

It is a cyclic number.

It is not a de Polignac number, because 1320120002011 - 2³¹ = 1317972518363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1320120001982 and 1320120002000.

It is not an unprimeable number, because it can be changed into a prime (1320120002017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90207951 + ... + 90222583.

It is an arithmetic number, because the mean of its divisors is an integer number (83526189120).

Almost surely, 2^{1320120002011} is an apocalyptic number.

1320120002011 is a deficient number, since it is larger than the sum of its proper divisors (16299023909).

1320120002011 is a wasteful number, since it uses less digits than its factorization.

1320120002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17286.

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

Adding to 1320120002011 its reverse (1102000210231), we get a palindrome (2422120212242).

The spelling of 1320120002011 in words is "one trillion, three hundred twenty billion, one hundred twenty million, two thousand, eleven".