2012020101233 has 4 divisors (see below), whose sum is σ = 2015158978788. Its totient is φ = 2008881223680.

The previous prime is 2012020101229. The next prime is 2012020101241. The reversal of 2012020101233 is 3321010202102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 996576934369 + 1015443166864 = 998287^2 + 1007692^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012020101233 - 2² = 2012020101229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012020101433) 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, 1569437816 + ... + 1569439097.

It is an arithmetic number, because the mean of its divisors is an integer number (503789744697).

Almost surely, 2^{2012020101233} is an apocalyptic number.

It is an amenable number.

2012020101233 is a deficient number, since it is larger than the sum of its proper divisors (3138877555).

2012020101233 is an equidigital number, since it uses as much as digits as its factorization.

2012020101233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138877554.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2012020101233 its reverse (3321010202102), we get a palindrome (5333030303335).

The spelling of 2012020101233 in words is "two trillion, twelve billion, twenty million, one hundred one thousand, two hundred thirty-three".