2012124212101 has 4 divisors (see below), whose sum is σ = 2013640508992. Its totient is φ = 2010607915212.

The previous prime is 2012124212089. The next prime is 2012124212143. The reversal of 2012124212101 is 1012124212102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2012124212101 - 2⁵ = 2012124212069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012124212701) 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, 758146455 + ... + 758149108.

It is an arithmetic number, because the mean of its divisors is an integer number (503410127248).

Almost surely, 2^{2012124212101} is an apocalyptic number.

It is an amenable number.

2012124212101 is a deficient number, since it is larger than the sum of its proper divisors (1516296891).

2012124212101 is a wasteful number, since it uses less digits than its factorization.

2012124212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516296890.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2012124212101 its reverse (1012124212102), we get a palindrome (3024248424203).

Subtracting from 2012124212101 its reverse (1012124212102), we obtain a palindrome (999999999999).

The spelling of 2012124212101 in words is "two trillion, twelve billion, one hundred twenty-four million, two hundred twelve thousand, one hundred one".