2012136545 has 16 divisors (see below), whose sum is σ = 2456152320. Its totient is φ = 1582027200.

The previous prime is 2012136523. The next prime is 2012136571. The reversal of 2012136545 is 5456312102.

It is not a de Polignac number, because 2012136545 - 2⁶ = 2012136481 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 571340 + ... + 574850.

It is an arithmetic number, because the mean of its divisors is an integer number (153509520).

Almost surely, 2^2012136545 is an apocalyptic number.

It is an amenable number.

2012136545 is a deficient number, since it is larger than the sum of its proper divisors (444015775).

2012136545 is a wasteful number, since it uses less digits than its factorization.

2012136545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5456.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2012136545 is about 44856.8450183470. The cubic root of 2012136545 is about 1262.4644269296.

Adding to 2012136545 its reverse (5456312102), we get a palindrome (7468448647).

The spelling of 2012136545 in words is "two billion, twelve million, one hundred thirty-six thousand, five hundred forty-five".