2012244140421 has 6 divisors (see below), whose sum is σ = 2906574869510. Its totient is φ = 1341496093608.

The previous prime is 2012244140371. The next prime is 2012244140429. The reversal of 2012244140421 is 1240414422102.

2012244140421 is a `hidden beast` number, since 2 + 0 + 1 + 224 + 4 + 14 + 0 + 421 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2008030702500 + 4213437921 = 1417050^2 + 64911^2 .

It is not a de Polignac number, because 2012244140421 - 2¹⁸ = 2012243878277 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 (2012244140429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111791341126 + ... + 111791341143.

Almost surely, 2^{2012244140421} is an apocalyptic number.

It is an amenable number.

2012244140421 is a deficient number, since it is larger than the sum of its proper divisors (894330729089).

2012244140421 is a wasteful number, since it uses less digits than its factorization.

2012244140421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223582682275 (or 223582682272 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 2012244140421 its reverse (1240414422102), we get a palindrome (3252658562523).

The spelling of 2012244140421 in words is "two trillion, twelve billion, two hundred forty-four million, one hundred forty thousand, four hundred twenty-one".