2012353134021 has 12 divisors (see below), whose sum is σ = 2961576311148. Its totient is φ = 1316256137664.

The previous prime is 2012353134013. The next prime is 2012353134047. The reversal of 2012353134021 is 1204313532102.

2012353134021 is a `hidden beast` number, since 2 + 0 + 123 + 531 + 3 + 4 + 0 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1388591208225 + 623761925796 = 1178385^2 + 789786^2 .

It is not a de Polignac number, because 2012353134021 - 2³ = 2012353134013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012353134061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2109384360 + ... + 2109385313.

It is an arithmetic number, because the mean of its divisors is an integer number (246798025929).

Almost surely, 2^{2012353134021} is an apocalyptic number.

It is an amenable number.

2012353134021 is a deficient number, since it is larger than the sum of its proper divisors (949223177127).

2012353134021 is a wasteful number, since it uses less digits than its factorization.

2012353134021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4218769732 (or 4218769729 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 2012353134021 its reverse (1204313532102), we get a palindrome (3216666666123).

The spelling of 2012353134021 in words is "two trillion, twelve billion, three hundred fifty-three million, one hundred thirty-four thousand, twenty-one".