2012135445 has 64 divisors (see below), whose sum is σ = 3705292800. Its totient is φ = 1034933760.

The previous prime is 2012135441. The next prime is 2012135483. The reversal of 2012135445 is 5445312102.

2012135445 is a `hidden beast` number, since 2 + 0 + 1 + 213 + 5 + 445 = 666.

It is not a de Polignac number, because 2012135445 - 2² = 2012135441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012135441) 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 63 ways as a sum of consecutive naturals, for example, 1560361 + ... + 1561649.

It is an arithmetic number, because the mean of its divisors is an integer number (57895200).

Almost surely, 2^2012135445 is an apocalyptic number.

It is an amenable number.

2012135445 is a deficient number, since it is larger than the sum of its proper divisors (1693157355).

2012135445 is a wasteful number, since it uses less digits than its factorization.

2012135445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707 (or 1701 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2012135445 is about 44856.8327571174. The cubic root of 2012135445 is about 1262.4641968738.

Adding to 2012135445 its reverse (5445312102), we get a palindrome (7457447547).

The spelling of 2012135445 in words is "two billion, twelve million, one hundred thirty-five thousand, four hundred forty-five".