2012020120311 has 16 divisors (see below), whose sum is σ = 2751448186368. Its totient is φ = 1307048523200.

The previous prime is 2012020120309. The next prime is 2012020120337. The reversal of 2012020120311 is 1130210202102.

It is a cyclic number.

It is not a de Polignac number, because 2012020120311 - 2¹ = 2012020120309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012020120811) 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, 9788175 + ... + 9991616.

It is an arithmetic number, because the mean of its divisors is an integer number (171965511648).

Almost surely, 2^{2012020120311} is an apocalyptic number.

2012020120311 is a deficient number, since it is larger than the sum of its proper divisors (739428066057).

2012020120311 is a wasteful number, since it uses less digits than its factorization.

2012020120311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19780662.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2012020120311 its reverse (1130210202102), we get a palindrome (3142230322413).

The spelling of 2012020120311 in words is "two trillion, twelve billion, twenty million, one hundred twenty thousand, three hundred eleven".