2012423021105 has 16 divisors (see below), whose sum is σ = 2768084042880. Its totient is φ = 1375852407552.

The previous prime is 2012423021101. The next prime is 2012423021113. The reversal of 2012423021105 is 5011203242102.

It is not a de Polignac number, because 2012423021105 - 2² = 2012423021101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2012423021101) 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, 85296515 + ... + 85320104.

It is an arithmetic number, because the mean of its divisors is an integer number (173005252680).

Almost surely, 2^{2012423021105} is an apocalyptic number.

It is an amenable number.

2012423021105 is a deficient number, since it is larger than the sum of its proper divisors (755661021775).

2012423021105 is a wasteful number, since it uses less digits than its factorization.

2012423021105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170616968.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 2012423021105 its reverse (5011203242102), we get a palindrome (7023626263207).

The spelling of 2012423021105 in words is "two trillion, twelve billion, four hundred twenty-three million, twenty-one thousand, one hundred five".